18197970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 32086830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 193, 210, 386, 449, 579, 898, 965, 1158, 1347, 1351, 1930, 2245, 2694, 2702, 2895, 3143, 4053, 4490, 5790, 6286, 6735, 6755, 8106, 9429, 13470, 13510, 15715, 18858, 20265, 31430, 40530, 47145, 86657, 94290, 173314, 259971, 433285, 519942, 606599, 866570, 1213198, 1299855, 1819797, 2599710, 3032995, 3639594, 6065990, 9098985, 18197970]

約数ペア:

[(1, 18197970), (2, 9098985), (3, 6065990), (5, 3639594), (6, 3032995), (7, 2599710), (10, 1819797), (14, 1299855), (15, 1213198), (21, 866570), (30, 606599), (35, 519942), (42, 433285), (70, 259971), (105, 173314), (193, 94290), (210, 86657), (386, 47145), (449, 40530), (579, 31430), (898, 20265), (965, 18858), (1158, 15715), (1347, 13510), (1351, 13470), (1930, 9429), (2245, 8106), (2694, 6755), (2702, 6735), (2895, 6286), (3143, 5790), (4053, 4490)]