19742350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 38854656

約数和(自身を除く): 19112306

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 155, 235, 271, 310, 470, 542, 775, 1175, 1355, 1457, 1550, 2350, 2710, 2914, 6775, 7285, 8401, 12737, 13550, 14570, 16802, 25474, 36425, 42005, 63685, 72850, 84010, 127370, 210025, 318425, 394847, 420050, 636850, 789694, 1974235, 3948470, 9871175, 19742350]

約数ペア:

[(1, 19742350), (2, 9871175), (5, 3948470), (10, 1974235), (25, 789694), (31, 636850), (47, 420050), (50, 394847), (62, 318425), (94, 210025), (155, 127370), (235, 84010), (271, 72850), (310, 63685), (470, 42005), (542, 36425), (775, 25474), (1175, 16802), (1355, 14570), (1457, 13550), (1550, 12737), (2350, 8401), (2710, 7285), (2914, 6775)]