18988590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1373}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 45704736

約数和(自身を除く): 26716146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 461, 922, 1373, 1383, 2305, 2746, 2766, 4119, 4610, 6865, 6915, 8238, 13730, 13830, 20595, 41190, 632953, 1265906, 1898859, 3164765, 3797718, 6329530, 9494295, 18988590]

約数ペア:

[(1, 18988590), (2, 9494295), (3, 6329530), (5, 3797718), (6, 3164765), (10, 1898859), (15, 1265906), (30, 632953), (461, 41190), (922, 20595), (1373, 13830), (1383, 13730), (2305, 8238), (2746, 6915), (2766, 6865), (4119, 4610)]