18903318

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 44446320

約数和(自身を除く): 25543002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 113, 147, 226, 294, 339, 569, 678, 791, 1138, 1582, 1707, 2373, 3414, 3983, 4746, 5537, 7966, 11074, 11949, 16611, 23898, 27881, 33222, 55762, 64297, 83643, 128594, 167286, 192891, 385782, 450079, 900158, 1350237, 2700474, 3150553, 6301106, 9451659, 18903318]

約数ペア:

[(1, 18903318), (2, 9451659), (3, 6301106), (6, 3150553), (7, 2700474), (14, 1350237), (21, 900158), (42, 450079), (49, 385782), (98, 192891), (113, 167286), (147, 128594), (226, 83643), (294, 64297), (339, 55762), (569, 33222), (678, 27881), (791, 23898), (1138, 16611), (1582, 11949), (1707, 11074), (2373, 7966), (3414, 5537), (3983, 4746)]