19486250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 44535744

約数和(自身を除く): 25049494

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 131, 170, 175, 238, 250, 262, 350, 425, 595, 625, 655, 850, 875, 917, 1190, 1250, 1310, 1750, 1834, 2125, 2227, 2975, 3275, 4250, 4375, 4454, 4585, 5950, 6550, 8750, 9170, 10625, 11135, 14875, 15589, 16375, 21250, 22270, 22925, 29750, 31178, 32750, 45850, 55675, 74375, 77945, 81875, 111350, 114625, 148750, 155890, 163750, 229250, 278375, 389725, 556750, 573125, 779450, 1146250, 1391875, 1948625, 2783750, 3897250, 9743125, 19486250]

約数ペア:

[(1, 19486250), (2, 9743125), (5, 3897250), (7, 2783750), (10, 1948625), (14, 1391875), (17, 1146250), (25, 779450), (34, 573125), (35, 556750), (50, 389725), (70, 278375), (85, 229250), (119, 163750), (125, 155890), (131, 148750), (170, 114625), (175, 111350), (238, 81875), (250, 77945), (262, 74375), (350, 55675), (425, 45850), (595, 32750), (625, 31178), (655, 29750), (850, 22925), (875, 22270), (917, 21250), (1190, 16375), (1250, 15589), (1310, 14875), (1750, 11135), (1834, 10625), (2125, 9170), (2227, 8750), (2975, 6550), (3275, 5950), (4250, 4585), (4375, 4454)]