18419700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4723}}^1$

素因数の和:4753

約数の個数: 72

約数和(自身を含む): 57406048

約数和(自身を除く): 38986348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4723, 9446, 14169, 18892, 23615, 28338, 47230, 56676, 61399, 70845, 94460, 118075, 122798, 141690, 184197, 236150, 245596, 283380, 306995, 354225, 368394, 472300, 613990, 708450, 736788, 920985, 1227980, 1416900, 1534975, 1841970, 3069950, 3683940, 4604925, 6139900, 9209850, 18419700]

約数ペア:

[(1, 18419700), (2, 9209850), (3, 6139900), (4, 4604925), (5, 3683940), (6, 3069950), (10, 1841970), (12, 1534975), (13, 1416900), (15, 1227980), (20, 920985), (25, 736788), (26, 708450), (30, 613990), (39, 472300), (50, 368394), (52, 354225), (60, 306995), (65, 283380), (75, 245596), (78, 236150), (100, 184197), (130, 141690), (150, 122798), (156, 118075), (195, 94460), (260, 70845), (300, 61399), (325, 56676), (390, 47230), (650, 28338), (780, 23615), (975, 18892), (1300, 14169), (1950, 9446), (3900, 4723)]