18577980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3559}}^1$

素因数の和:3603

約数の個数: 72

約数和(自身を含む): 58312800

約数和(自身を除く): 39734820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3559, 5220, 7118, 10677, 14236, 17795, 21354, 32031, 35590, 42708, 53385, 64062, 71180, 103211, 106770, 128124, 160155, 206422, 213540, 309633, 320310, 412844, 516055, 619266, 640620, 928899, 1032110, 1238532, 1548165, 1857798, 2064220, 3096330, 3715596, 4644495, 6192660, 9288990, 18577980]

約数ペア:

[(1, 18577980), (2, 9288990), (3, 6192660), (4, 4644495), (5, 3715596), (6, 3096330), (9, 2064220), (10, 1857798), (12, 1548165), (15, 1238532), (18, 1032110), (20, 928899), (29, 640620), (30, 619266), (36, 516055), (45, 412844), (58, 320310), (60, 309633), (87, 213540), (90, 206422), (116, 160155), (145, 128124), (174, 106770), (180, 103211), (261, 71180), (290, 64062), (348, 53385), (435, 42708), (522, 35590), (580, 32031), (870, 21354), (1044, 17795), (1305, 14236), (1740, 10677), (2610, 7118), (3559, 5220)]