19168890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2183

約数の個数: 64

約数和(自身を含む): 51722496

約数和(自身を除く): 32553606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2137, 2990, 4274, 4485, 6411, 8970, 10685, 12822, 21370, 27781, 32055, 49151, 55562, 64110, 83343, 98302, 138905, 147453, 166686, 245755, 277810, 294906, 416715, 491510, 638963, 737265, 833430, 1277926, 1474530, 1916889, 3194815, 3833778, 6389630, 9584445, 19168890]

約数ペア:

[(1, 19168890), (2, 9584445), (3, 6389630), (5, 3833778), (6, 3194815), (10, 1916889), (13, 1474530), (15, 1277926), (23, 833430), (26, 737265), (30, 638963), (39, 491510), (46, 416715), (65, 294906), (69, 277810), (78, 245755), (115, 166686), (130, 147453), (138, 138905), (195, 98302), (230, 83343), (299, 64110), (345, 55562), (390, 49151), (598, 32055), (690, 27781), (897, 21370), (1495, 12822), (1794, 10685), (2137, 8970), (2990, 6411), (4274, 4485)]