19671568

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 26468336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 47, 56, 74, 94, 101, 112, 148, 188, 202, 259, 296, 329, 376, 404, 518, 592, 658, 707, 752, 808, 1036, 1316, 1414, 1616, 1739, 2072, 2632, 2828, 3478, 3737, 4144, 4747, 5264, 5656, 6956, 7474, 9494, 11312, 12173, 13912, 14948, 18988, 24346, 26159, 27824, 29896, 33229, 37976, 48692, 52318, 59792, 66458, 75952, 97384, 104636, 132916, 175639, 194768, 209272, 265832, 351278, 418544, 531664, 702556, 1229473, 1405112, 2458946, 2810224, 4917892, 9835784, 19671568]

約数ペア:

[(1, 19671568), (2, 9835784), (4, 4917892), (7, 2810224), (8, 2458946), (14, 1405112), (16, 1229473), (28, 702556), (37, 531664), (47, 418544), (56, 351278), (74, 265832), (94, 209272), (101, 194768), (112, 175639), (148, 132916), (188, 104636), (202, 97384), (259, 75952), (296, 66458), (329, 59792), (376, 52318), (404, 48692), (518, 37976), (592, 33229), (658, 29896), (707, 27824), (752, 26159), (808, 24346), (1036, 18988), (1316, 14948), (1414, 13912), (1616, 12173), (1739, 11312), (2072, 9494), (2632, 7474), (2828, 6956), (3478, 5656), (3737, 5264), (4144, 4747)]