19685700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 144

約数和(自身を含む): 66245760

約数和(自身を除く): 46560060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 135, 138, 150, 180, 207, 225, 230, 270, 276, 300, 317, 345, 414, 450, 460, 540, 575, 621, 634, 675, 690, 828, 900, 951, 1035, 1150, 1242, 1268, 1350, 1380, 1585, 1725, 1902, 2070, 2300, 2484, 2700, 2853, 3105, 3170, 3450, 3804, 4140, 4755, 5175, 5706, 6210, 6340, 6900, 7291, 7925, 8559, 9510, 10350, 11412, 12420, 14265, 14582, 15525, 15850, 17118, 19020, 20700, 21873, 23775, 28530, 29164, 31050, 31700, 34236, 36455, 42795, 43746, 47550, 57060, 62100, 65619, 71325, 72910, 85590, 87492, 95100, 109365, 131238, 142650, 145820, 171180, 182275, 196857, 213975, 218730, 262476, 285300, 328095, 364550, 393714, 427950, 437460, 546825, 656190, 729100, 787428, 855900, 984285, 1093650, 1312380, 1640475, 1968570, 2187300, 3280950, 3937140, 4921425, 6561900, 9842850, 19685700]

約数ペア:

[(1, 19685700), (2, 9842850), (3, 6561900), (4, 4921425), (5, 3937140), (6, 3280950), (9, 2187300), (10, 1968570), (12, 1640475), (15, 1312380), (18, 1093650), (20, 984285), (23, 855900), (25, 787428), (27, 729100), (30, 656190), (36, 546825), (45, 437460), (46, 427950), (50, 393714), (54, 364550), (60, 328095), (69, 285300), (75, 262476), (90, 218730), (92, 213975), (100, 196857), (108, 182275), (115, 171180), (135, 145820), (138, 142650), (150, 131238), (180, 109365), (207, 95100), (225, 87492), (230, 85590), (270, 72910), (276, 71325), (300, 65619), (317, 62100), (345, 57060), (414, 47550), (450, 43746), (460, 42795), (540, 36455), (575, 34236), (621, 31700), (634, 31050), (675, 29164), (690, 28530), (828, 23775), (900, 21873), (951, 20700), (1035, 19020), (1150, 17118), (1242, 15850), (1268, 15525), (1350, 14582), (1380, 14265), (1585, 12420), (1725, 11412), (1902, 10350), (2070, 9510), (2300, 8559), (2484, 7925), (2700, 7291), (2853, 6900), (3105, 6340), (3170, 6210), (3450, 5706), (3804, 5175), (4140, 4755)]