18667952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 38009472

約数和(自身を除く): 19341520

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 617, 976, 1234, 1891, 2468, 3782, 4936, 7564, 9872, 15128, 19127, 30256, 37637, 38254, 75274, 76508, 150548, 153016, 301096, 306032, 602192, 1166747, 2333494, 4666988, 9333976, 18667952]

約数ペア:

[(1, 18667952), (2, 9333976), (4, 4666988), (8, 2333494), (16, 1166747), (31, 602192), (61, 306032), (62, 301096), (122, 153016), (124, 150548), (244, 76508), (248, 75274), (488, 38254), (496, 37637), (617, 30256), (976, 19127), (1234, 15128), (1891, 9872), (2468, 7564), (3782, 4936)]