19387400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 28823800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 53, 59, 62, 100, 106, 118, 124, 155, 200, 212, 236, 248, 265, 295, 310, 424, 472, 530, 590, 620, 775, 1060, 1180, 1240, 1325, 1475, 1550, 1643, 1829, 2120, 2360, 2650, 2950, 3100, 3127, 3286, 3658, 5300, 5900, 6200, 6254, 6572, 7316, 8215, 9145, 10600, 11800, 12508, 13144, 14632, 15635, 16430, 18290, 25016, 31270, 32860, 36580, 41075, 45725, 62540, 65720, 73160, 78175, 82150, 91450, 96937, 125080, 156350, 164300, 182900, 193874, 312700, 328600, 365800, 387748, 484685, 625400, 775496, 969370, 1938740, 2423425, 3877480, 4846850, 9693700, 19387400]

約数ペア:

[(1, 19387400), (2, 9693700), (4, 4846850), (5, 3877480), (8, 2423425), (10, 1938740), (20, 969370), (25, 775496), (31, 625400), (40, 484685), (50, 387748), (53, 365800), (59, 328600), (62, 312700), (100, 193874), (106, 182900), (118, 164300), (124, 156350), (155, 125080), (200, 96937), (212, 91450), (236, 82150), (248, 78175), (265, 73160), (295, 65720), (310, 62540), (424, 45725), (472, 41075), (530, 36580), (590, 32860), (620, 31270), (775, 25016), (1060, 18290), (1180, 16430), (1240, 15635), (1325, 14632), (1475, 13144), (1550, 12508), (1643, 11800), (1829, 10600), (2120, 9145), (2360, 8215), (2650, 7316), (2950, 6572), (3100, 6254), (3127, 6200), (3286, 5900), (3658, 5300)]