19898910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9613}}^1$

素因数の和:9649

約数の個数: 48

約数和(自身を含む): 53992224

約数和(自身を除く): 34093314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9613, 19226, 28839, 48065, 57678, 86517, 96130, 144195, 173034, 221099, 288390, 432585, 442198, 663297, 865170, 1105495, 1326594, 1989891, 2210990, 3316485, 3979782, 6632970, 9949455, 19898910]

約数ペア:

[(1, 19898910), (2, 9949455), (3, 6632970), (5, 3979782), (6, 3316485), (9, 2210990), (10, 1989891), (15, 1326594), (18, 1105495), (23, 865170), (30, 663297), (45, 442198), (46, 432585), (69, 288390), (90, 221099), (115, 173034), (138, 144195), (207, 96130), (230, 86517), (345, 57678), (414, 48065), (690, 28839), (1035, 19226), (2070, 9613)]