18412520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3498

約数の個数: 64

約数和(自身を含む): 49852800

約数和(自身を除く): 31440280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3461, 5320, 6922, 13844, 17305, 24227, 27688, 34610, 48454, 65759, 69220, 96908, 121135, 131518, 138440, 193816, 242270, 263036, 328795, 460313, 484540, 526072, 657590, 920626, 969080, 1315180, 1841252, 2301565, 2630360, 3682504, 4603130, 9206260, 18412520]

約数ペア:

[(1, 18412520), (2, 9206260), (4, 4603130), (5, 3682504), (7, 2630360), (8, 2301565), (10, 1841252), (14, 1315180), (19, 969080), (20, 920626), (28, 657590), (35, 526072), (38, 484540), (40, 460313), (56, 328795), (70, 263036), (76, 242270), (95, 193816), (133, 138440), (140, 131518), (152, 121135), (190, 96908), (266, 69220), (280, 65759), (380, 48454), (532, 34610), (665, 27688), (760, 24227), (1064, 17305), (1330, 13844), (2660, 6922), (3461, 5320)]