18980190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{70297}}^1$

素因数の和:70313

約数の個数: 32

約数和(自身を含む): 50614560

約数和(自身を除く): 31634370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 70297, 140594, 210891, 351485, 421782, 632673, 702970, 1054455, 1265346, 1898019, 2108910, 3163365, 3796038, 6326730, 9490095, 18980190]

約数ペア:

[(1, 18980190), (2, 9490095), (3, 6326730), (5, 3796038), (6, 3163365), (9, 2108910), (10, 1898019), (15, 1265346), (18, 1054455), (27, 702970), (30, 632673), (45, 421782), (54, 351485), (90, 210891), (135, 140594), (270, 70297)]