18635820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44371}}^1$

素因数の和:44390

約数の個数: 48

約数和(自身を含む): 59635968

約数和(自身を除く): 41000148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44371, 88742, 133113, 177484, 221855, 266226, 310597, 443710, 532452, 621194, 665565, 887420, 931791, 1242388, 1331130, 1552985, 1863582, 2662260, 3105970, 3727164, 4658955, 6211940, 9317910, 18635820]

約数ペア:

[(1, 18635820), (2, 9317910), (3, 6211940), (4, 4658955), (5, 3727164), (6, 3105970), (7, 2662260), (10, 1863582), (12, 1552985), (14, 1331130), (15, 1242388), (20, 931791), (21, 887420), (28, 665565), (30, 621194), (35, 532452), (42, 443710), (60, 310597), (70, 266226), (84, 221855), (105, 177484), (140, 133113), (210, 88742), (420, 44371)]