19475000

素因数分解:

$2^3\times 5^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 49215600

約数和(自身を除く): 29740600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 125, 152, 164, 190, 200, 205, 250, 328, 380, 410, 475, 500, 625, 760, 779, 820, 950, 1000, 1025, 1250, 1558, 1640, 1900, 2050, 2375, 2500, 3116, 3125, 3800, 3895, 4100, 4750, 5000, 5125, 6232, 6250, 7790, 8200, 9500, 10250, 11875, 12500, 15580, 19000, 19475, 20500, 23750, 25000, 25625, 31160, 38950, 41000, 47500, 51250, 59375, 77900, 95000, 97375, 102500, 118750, 128125, 155800, 194750, 205000, 237500, 256250, 389500, 475000, 486875, 512500, 779000, 973750, 1025000, 1947500, 2434375, 3895000, 4868750, 9737500, 19475000]

約数ペア:

[(1, 19475000), (2, 9737500), (4, 4868750), (5, 3895000), (8, 2434375), (10, 1947500), (19, 1025000), (20, 973750), (25, 779000), (38, 512500), (40, 486875), (41, 475000), (50, 389500), (76, 256250), (82, 237500), (95, 205000), (100, 194750), (125, 155800), (152, 128125), (164, 118750), (190, 102500), (200, 97375), (205, 95000), (250, 77900), (328, 59375), (380, 51250), (410, 47500), (475, 41000), (500, 38950), (625, 31160), (760, 25625), (779, 25000), (820, 23750), (950, 20500), (1000, 19475), (1025, 19000), (1250, 15580), (1558, 12500), (1640, 11875), (1900, 10250), (2050, 9500), (2375, 8200), (2500, 7790), (3116, 6250), (3125, 6232), (3800, 5125), (3895, 5000), (4100, 4750)]