18698220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 57535296

約数和(自身を除く): 38837076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1423, 1460, 2190, 2628, 2846, 3285, 4269, 4380, 5692, 6570, 7115, 8538, 12807, 13140, 14230, 17076, 21345, 25614, 28460, 42690, 51228, 64035, 85380, 103879, 128070, 207758, 256140, 311637, 415516, 519395, 623274, 934911, 1038790, 1246548, 1558185, 1869822, 2077580, 3116370, 3739644, 4674555, 6232740, 9349110, 18698220]

約数ペア:

[(1, 18698220), (2, 9349110), (3, 6232740), (4, 4674555), (5, 3739644), (6, 3116370), (9, 2077580), (10, 1869822), (12, 1558185), (15, 1246548), (18, 1038790), (20, 934911), (30, 623274), (36, 519395), (45, 415516), (60, 311637), (73, 256140), (90, 207758), (146, 128070), (180, 103879), (219, 85380), (292, 64035), (365, 51228), (438, 42690), (657, 28460), (730, 25614), (876, 21345), (1095, 17076), (1314, 14230), (1423, 13140), (1460, 12807), (2190, 8538), (2628, 7115), (2846, 6570), (3285, 5692), (4269, 4380)]