19559384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 45061920

約数和(自身を除く): 25502536

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 37, 46, 52, 68, 74, 92, 104, 136, 148, 169, 184, 221, 296, 299, 338, 391, 442, 481, 598, 629, 676, 782, 851, 884, 962, 1196, 1258, 1352, 1564, 1702, 1768, 1924, 2392, 2516, 2873, 3128, 3404, 3848, 3887, 5032, 5083, 5746, 6253, 6808, 7774, 8177, 10166, 11063, 11492, 12506, 14467, 15548, 16354, 20332, 22126, 22984, 25012, 28934, 31096, 32708, 40664, 44252, 50024, 57868, 65416, 66079, 88504, 106301, 115736, 132158, 143819, 188071, 212602, 264316, 287638, 376142, 425204, 528632, 575276, 752284, 850408, 1150552, 1504568, 2444923, 4889846, 9779692, 19559384]

約数ペア:

[(1, 19559384), (2, 9779692), (4, 4889846), (8, 2444923), (13, 1504568), (17, 1150552), (23, 850408), (26, 752284), (34, 575276), (37, 528632), (46, 425204), (52, 376142), (68, 287638), (74, 264316), (92, 212602), (104, 188071), (136, 143819), (148, 132158), (169, 115736), (184, 106301), (221, 88504), (296, 66079), (299, 65416), (338, 57868), (391, 50024), (442, 44252), (481, 40664), (598, 32708), (629, 31096), (676, 28934), (782, 25012), (851, 22984), (884, 22126), (962, 20332), (1196, 16354), (1258, 15548), (1352, 14467), (1564, 12506), (1702, 11492), (1768, 11063), (1924, 10166), (2392, 8177), (2516, 7774), (2873, 6808), (3128, 6253), (3404, 5746), (3848, 5083), (3887, 5032)]