18377792

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 38526720

約数和(自身を除く): 20148928

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 157, 236, 248, 314, 472, 496, 628, 944, 992, 1256, 1829, 1888, 1984, 2512, 3658, 3776, 4867, 5024, 7316, 9263, 9734, 10048, 14632, 18526, 19468, 29264, 37052, 38936, 58528, 74104, 77872, 117056, 148208, 155744, 287153, 296416, 311488, 574306, 592832, 1148612, 2297224, 4594448, 9188896, 18377792]

約数ペア:

[(1, 18377792), (2, 9188896), (4, 4594448), (8, 2297224), (16, 1148612), (31, 592832), (32, 574306), (59, 311488), (62, 296416), (64, 287153), (118, 155744), (124, 148208), (157, 117056), (236, 77872), (248, 74104), (314, 58528), (472, 38936), (496, 37052), (628, 29264), (944, 19468), (992, 18526), (1256, 14632), (1829, 10048), (1888, 9734), (1984, 9263), (2512, 7316), (3658, 5024), (3776, 4867)]