18686810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16771750

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 719, 1130, 1438, 2599, 3595, 5198, 7190, 12995, 16537, 25990, 33074, 81247, 82685, 162494, 165370, 406235, 812470, 1868681, 3737362, 9343405, 18686810]

約数ペア:

[(1, 18686810), (2, 9343405), (5, 3737362), (10, 1868681), (23, 812470), (46, 406235), (113, 165370), (115, 162494), (226, 82685), (230, 81247), (565, 33074), (719, 25990), (1130, 16537), (1438, 12995), (2599, 7190), (3595, 5198)]