18718090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 16844150

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 839, 970, 1678, 2231, 4195, 4462, 8390, 11155, 19297, 22310, 38594, 81383, 96485, 162766, 192970, 406915, 813830, 1871809, 3743618, 9359045, 18718090]

約数ペア:

[(1, 18718090), (2, 9359045), (5, 3743618), (10, 1871809), (23, 813830), (46, 406915), (97, 192970), (115, 162766), (194, 96485), (230, 81383), (485, 38594), (839, 22310), (970, 19297), (1678, 11155), (2231, 8390), (4195, 4462)]