18154920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21613}}^1$

素因数の和:21634

約数の個数: 64

約数和(自身を含む): 62248320

約数和(自身を除く): 44093400

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, 21613, 43226, 64839, 86452, 108065, 129678, 151291, 172904, 216130, 259356, 302582, 324195, 432260, 453873, 518712, 605164, 648390, 756455, 864520, 907746, 1210328, 1296780, 1512910, 1815492, 2269365, 2593560, 3025820, 3630984, 4538730, 6051640, 9077460, 18154920]

約数ペア:

[(1, 18154920), (2, 9077460), (3, 6051640), (4, 4538730), (5, 3630984), (6, 3025820), (7, 2593560), (8, 2269365), (10, 1815492), (12, 1512910), (14, 1296780), (15, 1210328), (20, 907746), (21, 864520), (24, 756455), (28, 648390), (30, 605164), (35, 518712), (40, 453873), (42, 432260), (56, 324195), (60, 302582), (70, 259356), (84, 216130), (105, 172904), (120, 151291), (140, 129678), (168, 108065), (210, 86452), (280, 64839), (420, 43226), (840, 21613)]