18236060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 40212480

約数和(自身を除く): 21976420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 439, 620, 670, 878, 1340, 1756, 2077, 2195, 4154, 4390, 8308, 8780, 10385, 13609, 20770, 27218, 29413, 41540, 54436, 58826, 68045, 117652, 136090, 147065, 272180, 294130, 588260, 911803, 1823606, 3647212, 4559015, 9118030, 18236060]

約数ペア:

[(1, 18236060), (2, 9118030), (4, 4559015), (5, 3647212), (10, 1823606), (20, 911803), (31, 588260), (62, 294130), (67, 272180), (124, 147065), (134, 136090), (155, 117652), (268, 68045), (310, 58826), (335, 54436), (439, 41540), (620, 29413), (670, 27218), (878, 20770), (1340, 13609), (1756, 10385), (2077, 8780), (2195, 8308), (4154, 4390)]