19293872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 24245008

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 37, 46, 52, 74, 92, 104, 109, 148, 184, 208, 218, 296, 299, 368, 436, 481, 592, 598, 851, 872, 962, 1196, 1417, 1702, 1744, 1924, 2392, 2507, 2834, 3404, 3848, 4033, 4784, 5014, 5668, 6808, 7696, 8066, 10028, 11063, 11336, 13616, 16132, 20056, 22126, 22672, 32264, 32591, 40112, 44252, 52429, 64528, 65182, 88504, 92759, 104858, 130364, 177008, 185518, 209716, 260728, 371036, 419432, 521456, 742072, 838864, 1205867, 1484144, 2411734, 4823468, 9646936, 19293872]

約数ペア:

[(1, 19293872), (2, 9646936), (4, 4823468), (8, 2411734), (13, 1484144), (16, 1205867), (23, 838864), (26, 742072), (37, 521456), (46, 419432), (52, 371036), (74, 260728), (92, 209716), (104, 185518), (109, 177008), (148, 130364), (184, 104858), (208, 92759), (218, 88504), (296, 65182), (299, 64528), (368, 52429), (436, 44252), (481, 40112), (592, 32591), (598, 32264), (851, 22672), (872, 22126), (962, 20056), (1196, 16132), (1417, 13616), (1702, 11336), (1744, 11063), (1924, 10028), (2392, 8066), (2507, 7696), (2834, 6808), (3404, 5668), (3848, 5014), (4033, 4784)]