18259980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1123}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 51362304

約数和(自身を除く): 33102324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1123, 1355, 1626, 2246, 2710, 3252, 3369, 4065, 4492, 5420, 5615, 6738, 8130, 11230, 13476, 16260, 16845, 22460, 33690, 67380, 304333, 608666, 912999, 1217332, 1521665, 1825998, 3043330, 3651996, 4564995, 6086660, 9129990, 18259980]

約数ペア:

[(1, 18259980), (2, 9129990), (3, 6086660), (4, 4564995), (5, 3651996), (6, 3043330), (10, 1825998), (12, 1521665), (15, 1217332), (20, 912999), (30, 608666), (60, 304333), (271, 67380), (542, 33690), (813, 22460), (1084, 16845), (1123, 16260), (1355, 13476), (1626, 11230), (2246, 8130), (2710, 6738), (3252, 5615), (3369, 5420), (4065, 4492)]