19542060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4021}}^1$

素因数の和:4045

約数の個数: 72

約数和(自身を含む): 61488336

約数和(自身を除く): 41946276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4021, 4860, 8042, 12063, 16084, 20105, 24126, 36189, 40210, 48252, 60315, 72378, 80420, 108567, 120630, 144756, 180945, 217134, 241260, 325701, 361890, 434268, 542835, 651402, 723780, 977103, 1085670, 1302804, 1628505, 1954206, 2171340, 3257010, 3908412, 4885515, 6514020, 9771030, 19542060]

約数ペア:

[(1, 19542060), (2, 9771030), (3, 6514020), (4, 4885515), (5, 3908412), (6, 3257010), (9, 2171340), (10, 1954206), (12, 1628505), (15, 1302804), (18, 1085670), (20, 977103), (27, 723780), (30, 651402), (36, 542835), (45, 434268), (54, 361890), (60, 325701), (81, 241260), (90, 217134), (108, 180945), (135, 144756), (162, 120630), (180, 108567), (243, 80420), (270, 72378), (324, 60315), (405, 48252), (486, 40210), (540, 36189), (810, 24126), (972, 20105), (1215, 16084), (1620, 12063), (2430, 8042), (4021, 4860)]