18882738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 48372480

約数和(自身を除く): 29489742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 79, 98, 126, 147, 158, 237, 271, 294, 441, 474, 542, 553, 711, 813, 882, 1106, 1422, 1626, 1659, 1897, 2439, 3318, 3794, 3871, 4878, 4977, 5691, 7742, 9954, 11382, 11613, 13279, 17073, 21409, 23226, 26558, 34146, 34839, 39837, 42818, 64227, 69678, 79674, 119511, 128454, 149863, 192681, 239022, 299726, 385362, 449589, 899178, 1049041, 1348767, 2098082, 2697534, 3147123, 6294246, 9441369, 18882738]

約数ペア:

[(1, 18882738), (2, 9441369), (3, 6294246), (6, 3147123), (7, 2697534), (9, 2098082), (14, 1348767), (18, 1049041), (21, 899178), (42, 449589), (49, 385362), (63, 299726), (79, 239022), (98, 192681), (126, 149863), (147, 128454), (158, 119511), (237, 79674), (271, 69678), (294, 64227), (441, 42818), (474, 39837), (542, 34839), (553, 34146), (711, 26558), (813, 23226), (882, 21409), (1106, 17073), (1422, 13279), (1626, 11613), (1659, 11382), (1897, 9954), (2439, 7742), (3318, 5691), (3794, 4977), (3871, 4878)]