18521430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 28350570

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 61, 87, 122, 145, 174, 183, 290, 305, 349, 366, 435, 610, 698, 870, 915, 1047, 1745, 1769, 1830, 2094, 3490, 3538, 5235, 5307, 8845, 10121, 10470, 10614, 17690, 20242, 21289, 26535, 30363, 42578, 50605, 53070, 60726, 63867, 101210, 106445, 127734, 151815, 212890, 303630, 319335, 617381, 638670, 1234762, 1852143, 3086905, 3704286, 6173810, 9260715, 18521430]

約数ペア:

[(1, 18521430), (2, 9260715), (3, 6173810), (5, 3704286), (6, 3086905), (10, 1852143), (15, 1234762), (29, 638670), (30, 617381), (58, 319335), (61, 303630), (87, 212890), (122, 151815), (145, 127734), (174, 106445), (183, 101210), (290, 63867), (305, 60726), (349, 53070), (366, 50605), (435, 42578), (610, 30363), (698, 26535), (870, 21289), (915, 20242), (1047, 17690), (1745, 10614), (1769, 10470), (1830, 10121), (2094, 8845), (3490, 5307), (3538, 5235)]