19328540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 52217928

約数和(自身を除く): 32889388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 163, 196, 220, 242, 245, 308, 326, 385, 484, 490, 539, 605, 652, 770, 815, 847, 980, 1078, 1141, 1210, 1540, 1630, 1694, 1793, 2156, 2282, 2420, 2695, 3260, 3388, 3586, 4235, 4564, 5390, 5705, 5929, 7172, 7987, 8470, 8965, 10780, 11410, 11858, 12551, 15974, 16940, 17930, 19723, 22820, 23716, 25102, 29645, 31948, 35860, 39446, 39935, 50204, 59290, 62755, 78892, 79870, 87857, 98615, 118580, 125510, 138061, 159740, 175714, 197230, 251020, 276122, 351428, 394460, 439285, 552244, 690305, 878570, 966427, 1380610, 1757140, 1932854, 2761220, 3865708, 4832135, 9664270, 19328540]

約数ペア:

[(1, 19328540), (2, 9664270), (4, 4832135), (5, 3865708), (7, 2761220), (10, 1932854), (11, 1757140), (14, 1380610), (20, 966427), (22, 878570), (28, 690305), (35, 552244), (44, 439285), (49, 394460), (55, 351428), (70, 276122), (77, 251020), (98, 197230), (110, 175714), (121, 159740), (140, 138061), (154, 125510), (163, 118580), (196, 98615), (220, 87857), (242, 79870), (245, 78892), (308, 62755), (326, 59290), (385, 50204), (484, 39935), (490, 39446), (539, 35860), (605, 31948), (652, 29645), (770, 25102), (815, 23716), (847, 22820), (980, 19723), (1078, 17930), (1141, 16940), (1210, 15974), (1540, 12551), (1630, 11858), (1694, 11410), (1793, 10780), (2156, 8965), (2282, 8470), (2420, 7987), (2695, 7172), (3260, 5929), (3388, 5705), (3586, 5390), (4235, 4564)]