18685976

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 17818024

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 239, 337, 478, 674, 956, 1348, 1912, 2696, 6931, 9773, 13862, 19546, 27724, 39092, 55448, 78184, 80543, 161086, 322172, 644344, 2335747, 4671494, 9342988, 18685976]

約数ペア:

[(1, 18685976), (2, 9342988), (4, 4671494), (8, 2335747), (29, 644344), (58, 322172), (116, 161086), (232, 80543), (239, 78184), (337, 55448), (478, 39092), (674, 27724), (956, 19546), (1348, 13862), (1912, 9773), (2696, 6931)]