19499000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 51217920

約数和(自身を除く): 31718920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 37, 40, 50, 62, 68, 74, 85, 100, 124, 125, 136, 148, 155, 170, 185, 200, 248, 250, 296, 310, 340, 370, 425, 500, 527, 620, 629, 680, 740, 775, 850, 925, 1000, 1054, 1147, 1240, 1258, 1480, 1550, 1700, 1850, 2108, 2125, 2294, 2516, 2635, 3100, 3145, 3400, 3700, 3875, 4216, 4250, 4588, 4625, 5032, 5270, 5735, 6200, 6290, 7400, 7750, 8500, 9176, 9250, 10540, 11470, 12580, 13175, 15500, 15725, 17000, 18500, 19499, 21080, 22940, 25160, 26350, 28675, 31000, 31450, 37000, 38998, 45880, 52700, 57350, 62900, 65875, 77996, 78625, 97495, 105400, 114700, 125800, 131750, 143375, 155992, 157250, 194990, 229400, 263500, 286750, 314500, 389980, 487475, 527000, 573500, 629000, 779960, 974950, 1147000, 1949900, 2437375, 3899800, 4874750, 9749500, 19499000]

約数ペア:

[(1, 19499000), (2, 9749500), (4, 4874750), (5, 3899800), (8, 2437375), (10, 1949900), (17, 1147000), (20, 974950), (25, 779960), (31, 629000), (34, 573500), (37, 527000), (40, 487475), (50, 389980), (62, 314500), (68, 286750), (74, 263500), (85, 229400), (100, 194990), (124, 157250), (125, 155992), (136, 143375), (148, 131750), (155, 125800), (170, 114700), (185, 105400), (200, 97495), (248, 78625), (250, 77996), (296, 65875), (310, 62900), (340, 57350), (370, 52700), (425, 45880), (500, 38998), (527, 37000), (620, 31450), (629, 31000), (680, 28675), (740, 26350), (775, 25160), (850, 22940), (925, 21080), (1000, 19499), (1054, 18500), (1147, 17000), (1240, 15725), (1258, 15500), (1480, 13175), (1550, 12580), (1700, 11470), (1850, 10540), (2108, 9250), (2125, 9176), (2294, 8500), (2516, 7750), (2635, 7400), (3100, 6290), (3145, 6200), (3400, 5735), (3700, 5270), (3875, 5032), (4216, 4625), (4250, 4588)]