18731970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7177}}^1$

素因数の和:7219

約数の個数: 48

約数和(自身を含む): 50389560

約数和(自身を除く): 31657590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7177, 14354, 21531, 35885, 43062, 64593, 71770, 107655, 129186, 208133, 215310, 322965, 416266, 624399, 645930, 1040665, 1248798, 1873197, 2081330, 3121995, 3746394, 6243990, 9365985, 18731970]

約数ペア:

[(1, 18731970), (2, 9365985), (3, 6243990), (5, 3746394), (6, 3121995), (9, 2081330), (10, 1873197), (15, 1248798), (18, 1040665), (29, 645930), (30, 624399), (45, 416266), (58, 322965), (87, 215310), (90, 208133), (145, 129186), (174, 107655), (261, 71770), (290, 64593), (435, 43062), (522, 35885), (870, 21531), (1305, 14354), (2610, 7177)]