18283930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 19507430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 971, 1345, 1883, 1942, 2690, 3766, 4855, 6797, 9415, 9710, 13594, 18830, 33985, 67970, 261199, 522398, 1305995, 1828393, 2611990, 3656786, 9141965, 18283930]

約数ペア:

[(1, 18283930), (2, 9141965), (5, 3656786), (7, 2611990), (10, 1828393), (14, 1305995), (35, 522398), (70, 261199), (269, 67970), (538, 33985), (971, 18830), (1345, 13594), (1883, 9710), (1942, 9415), (2690, 6797), (3766, 4855)]