18949730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 18184990

約数列:

[1, 2, 5, 10, 17, 34, 79, 83, 85, 158, 166, 170, 289, 395, 415, 578, 790, 830, 1343, 1411, 1445, 2686, 2822, 2890, 6557, 6715, 7055, 13114, 13430, 14110, 22831, 23987, 32785, 45662, 47974, 65570, 111469, 114155, 119935, 222938, 228310, 239870, 557345, 1114690, 1894973, 3789946, 9474865, 18949730]

約数ペア:

[(1, 18949730), (2, 9474865), (5, 3789946), (10, 1894973), (17, 1114690), (34, 557345), (79, 239870), (83, 228310), (85, 222938), (158, 119935), (166, 114155), (170, 111469), (289, 65570), (395, 47974), (415, 45662), (578, 32785), (790, 23987), (830, 22831), (1343, 14110), (1411, 13430), (1445, 13114), (2686, 7055), (2822, 6715), (2890, 6557)]