19474020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4007}}^1$

素因数の和:4031

約数の個数: 72

約数和(自身を含む): 61274304

約数和(自身を除く): 41800284

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, 4007, 4860, 8014, 12021, 16028, 20035, 24042, 36063, 40070, 48084, 60105, 72126, 80140, 108189, 120210, 144252, 180315, 216378, 240420, 324567, 360630, 432756, 540945, 649134, 721260, 973701, 1081890, 1298268, 1622835, 1947402, 2163780, 3245670, 3894804, 4868505, 6491340, 9737010, 19474020]

約数ペア:

[(1, 19474020), (2, 9737010), (3, 6491340), (4, 4868505), (5, 3894804), (6, 3245670), (9, 2163780), (10, 1947402), (12, 1622835), (15, 1298268), (18, 1081890), (20, 973701), (27, 721260), (30, 649134), (36, 540945), (45, 432756), (54, 360630), (60, 324567), (81, 240420), (90, 216378), (108, 180315), (135, 144252), (162, 120210), (180, 108189), (243, 80140), (270, 72126), (324, 60105), (405, 48084), (486, 40070), (540, 36063), (810, 24042), (972, 20035), (1215, 16028), (1620, 12021), (2430, 8014), (4007, 4860)]