19173076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 40970664

約数和(自身を除く): 21797588

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 41, 46, 52, 68, 82, 92, 164, 221, 299, 391, 442, 529, 533, 598, 697, 782, 884, 943, 1058, 1066, 1196, 1394, 1564, 1886, 2116, 2132, 2788, 3772, 5083, 6877, 8993, 9061, 10166, 12259, 13754, 16031, 17986, 18122, 20332, 21689, 24518, 27508, 32062, 35972, 36244, 43378, 49036, 64124, 86756, 116909, 208403, 233818, 281957, 368713, 416806, 467636, 563914, 737426, 833612, 1127828, 1474852, 4793269, 9586538, 19173076]

約数ペア:

[(1, 19173076), (2, 9586538), (4, 4793269), (13, 1474852), (17, 1127828), (23, 833612), (26, 737426), (34, 563914), (41, 467636), (46, 416806), (52, 368713), (68, 281957), (82, 233818), (92, 208403), (164, 116909), (221, 86756), (299, 64124), (391, 49036), (442, 43378), (529, 36244), (533, 35972), (598, 32062), (697, 27508), (782, 24518), (884, 21689), (943, 20332), (1058, 18122), (1066, 17986), (1196, 16031), (1394, 13754), (1564, 12259), (1886, 10166), (2116, 9061), (2132, 8993), (2788, 6877), (3772, 5083)]