18228660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2039}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 33179340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2039, 2235, 2980, 4078, 4470, 6117, 8156, 8940, 10195, 12234, 20390, 24468, 30585, 40780, 61170, 122340, 303811, 607622, 911433, 1215244, 1519055, 1822866, 3038110, 3645732, 4557165, 6076220, 9114330, 18228660]

約数ペア:

[(1, 18228660), (2, 9114330), (3, 6076220), (4, 4557165), (5, 3645732), (6, 3038110), (10, 1822866), (12, 1519055), (15, 1215244), (20, 911433), (30, 607622), (60, 303811), (149, 122340), (298, 61170), (447, 40780), (596, 30585), (745, 24468), (894, 20390), (1490, 12234), (1788, 10195), (2039, 8940), (2235, 8156), (2980, 6117), (4078, 4470)]