19499400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 70531200

約数和(自身を除く): 51031800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 27, 30, 36, 40, 45, 46, 50, 54, 60, 69, 72, 75, 90, 92, 100, 108, 115, 120, 135, 138, 150, 157, 180, 184, 200, 207, 216, 225, 230, 270, 276, 300, 314, 345, 360, 414, 450, 460, 471, 540, 552, 575, 600, 621, 628, 675, 690, 785, 828, 900, 920, 942, 1035, 1080, 1150, 1242, 1256, 1350, 1380, 1413, 1570, 1656, 1725, 1800, 1884, 2070, 2300, 2355, 2484, 2700, 2760, 2826, 3105, 3140, 3450, 3611, 3768, 3925, 4140, 4239, 4600, 4710, 4968, 5175, 5400, 5652, 6210, 6280, 6900, 7065, 7222, 7850, 8280, 8478, 9420, 10350, 10833, 11304, 11775, 12420, 13800, 14130, 14444, 15525, 15700, 16956, 18055, 18840, 20700, 21195, 21666, 23550, 24840, 28260, 28888, 31050, 31400, 32499, 33912, 35325, 36110, 41400, 42390, 43332, 47100, 54165, 56520, 62100, 64998, 70650, 72220, 84780, 86664, 90275, 94200, 97497, 105975, 108330, 124200, 129996, 141300, 144440, 162495, 169560, 180550, 194994, 211950, 216660, 259992, 270825, 282600, 324990, 361100, 389988, 423900, 433320, 487485, 541650, 649980, 722200, 779976, 812475, 847800, 974970, 1083300, 1299960, 1624950, 1949940, 2166600, 2437425, 3249900, 3899880, 4874850, 6499800, 9749700, 19499400]

約数ペア:

[(1, 19499400), (2, 9749700), (3, 6499800), (4, 4874850), (5, 3899880), (6, 3249900), (8, 2437425), (9, 2166600), (10, 1949940), (12, 1624950), (15, 1299960), (18, 1083300), (20, 974970), (23, 847800), (24, 812475), (25, 779976), (27, 722200), (30, 649980), (36, 541650), (40, 487485), (45, 433320), (46, 423900), (50, 389988), (54, 361100), (60, 324990), (69, 282600), (72, 270825), (75, 259992), (90, 216660), (92, 211950), (100, 194994), (108, 180550), (115, 169560), (120, 162495), (135, 144440), (138, 141300), (150, 129996), (157, 124200), (180, 108330), (184, 105975), (200, 97497), (207, 94200), (216, 90275), (225, 86664), (230, 84780), (270, 72220), (276, 70650), (300, 64998), (314, 62100), (345, 56520), (360, 54165), (414, 47100), (450, 43332), (460, 42390), (471, 41400), (540, 36110), (552, 35325), (575, 33912), (600, 32499), (621, 31400), (628, 31050), (675, 28888), (690, 28260), (785, 24840), (828, 23550), (900, 21666), (920, 21195), (942, 20700), (1035, 18840), (1080, 18055), (1150, 16956), (1242, 15700), (1256, 15525), (1350, 14444), (1380, 14130), (1413, 13800), (1570, 12420), (1656, 11775), (1725, 11304), (1800, 10833), (1884, 10350), (2070, 9420), (2300, 8478), (2355, 8280), (2484, 7850), (2700, 7222), (2760, 7065), (2826, 6900), (3105, 6280), (3140, 6210), (3450, 5652), (3611, 5400), (3768, 5175), (3925, 4968), (4140, 4710), (4239, 4600)]