18730665

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 34744320

約数和(自身を除く): 16013655

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 463, 465, 899, 1305, 1389, 1395, 2315, 2697, 4167, 4495, 6945, 8091, 13427, 13485, 14353, 20835, 40281, 40455, 43059, 67135, 71765, 120843, 129177, 201405, 215295, 416237, 604215, 645885, 1248711, 2081185, 3746133, 6243555, 18730665]

約数ペア:

[(1, 18730665), (3, 6243555), (5, 3746133), (9, 2081185), (15, 1248711), (29, 645885), (31, 604215), (45, 416237), (87, 215295), (93, 201405), (145, 129177), (155, 120843), (261, 71765), (279, 67135), (435, 43059), (463, 40455), (465, 40281), (899, 20835), (1305, 14353), (1389, 13485), (1395, 13427), (2315, 8091), (2697, 6945), (4167, 4495)]