18961320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22573}}^1$

素因数の和:22594

約数の個数: 64

約数和(自身を含む): 65013120

約数和(自身を除く): 46051800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22573, 45146, 67719, 90292, 112865, 135438, 158011, 180584, 225730, 270876, 316022, 338595, 451460, 474033, 541752, 632044, 677190, 790055, 902920, 948066, 1264088, 1354380, 1580110, 1896132, 2370165, 2708760, 3160220, 3792264, 4740330, 6320440, 9480660, 18961320]

約数ペア:

[(1, 18961320), (2, 9480660), (3, 6320440), (4, 4740330), (5, 3792264), (6, 3160220), (7, 2708760), (8, 2370165), (10, 1896132), (12, 1580110), (14, 1354380), (15, 1264088), (20, 948066), (21, 902920), (24, 790055), (28, 677190), (30, 632044), (35, 541752), (40, 474033), (42, 451460), (56, 338595), (60, 316022), (70, 270876), (84, 225730), (105, 180584), (120, 158011), (140, 135438), (168, 112865), (210, 90292), (280, 67719), (420, 45146), (840, 22573)]