18588540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 53539920

約数和(自身を除く): 34951380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 89, 118, 177, 178, 236, 267, 295, 354, 356, 445, 534, 590, 708, 885, 890, 1068, 1180, 1335, 1770, 1780, 2670, 3481, 3540, 5251, 5340, 6962, 10443, 10502, 13924, 15753, 17405, 20886, 21004, 26255, 31506, 34810, 41772, 52215, 52510, 63012, 69620, 78765, 104430, 105020, 157530, 208860, 309809, 315060, 619618, 929427, 1239236, 1549045, 1858854, 3098090, 3717708, 4647135, 6196180, 9294270, 18588540]

約数ペア:

[(1, 18588540), (2, 9294270), (3, 6196180), (4, 4647135), (5, 3717708), (6, 3098090), (10, 1858854), (12, 1549045), (15, 1239236), (20, 929427), (30, 619618), (59, 315060), (60, 309809), (89, 208860), (118, 157530), (177, 105020), (178, 104430), (236, 78765), (267, 69620), (295, 63012), (354, 52510), (356, 52215), (445, 41772), (534, 34810), (590, 31506), (708, 26255), (885, 21004), (890, 20886), (1068, 17405), (1180, 15753), (1335, 13924), (1770, 10502), (1780, 10443), (2670, 6962), (3481, 5340), (3540, 5251)]