18737392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 38525312

約数和(自身を除く): 19787920

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1021, 1147, 2042, 2294, 4084, 4588, 8168, 9176, 16336, 18352, 31651, 37777, 63302, 75554, 126604, 151108, 253208, 302216, 506416, 604432, 1171087, 2342174, 4684348, 9368696, 18737392]

約数ペア:

[(1, 18737392), (2, 9368696), (4, 4684348), (8, 2342174), (16, 1171087), (31, 604432), (37, 506416), (62, 302216), (74, 253208), (124, 151108), (148, 126604), (248, 75554), (296, 63302), (496, 37777), (592, 31651), (1021, 18352), (1147, 16336), (2042, 9176), (2294, 8168), (4084, 4588)]