18335220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4561}}^1$

素因数の和:4640

約数の個数: 48

約数和(自身を含む): 52116288

約数和(自身を除く): 33781068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4561, 9122, 13683, 18244, 22805, 27366, 45610, 54732, 68415, 91220, 136830, 273660, 305587, 611174, 916761, 1222348, 1527935, 1833522, 3055870, 3667044, 4583805, 6111740, 9167610, 18335220]

約数ペア:

[(1, 18335220), (2, 9167610), (3, 6111740), (4, 4583805), (5, 3667044), (6, 3055870), (10, 1833522), (12, 1527935), (15, 1222348), (20, 916761), (30, 611174), (60, 305587), (67, 273660), (134, 136830), (201, 91220), (268, 68415), (335, 54732), (402, 45610), (670, 27366), (804, 22805), (1005, 18244), (1340, 13683), (2010, 9122), (4020, 4561)]