18616120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15013}}^1$

素因数の和:15055

約数の個数: 32

約数和(自身を含む): 43240320

約数和(自身を除く): 24624200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15013, 30026, 60052, 75065, 120104, 150130, 300260, 465403, 600520, 930806, 1861612, 2327015, 3723224, 4654030, 9308060, 18616120]

約数ペア:

[(1, 18616120), (2, 9308060), (4, 4654030), (5, 3723224), (8, 2327015), (10, 1861612), (20, 930806), (31, 600520), (40, 465403), (62, 300260), (124, 150130), (155, 120104), (248, 75065), (310, 60052), (620, 30026), (1240, 15013)]