18667456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:237

約数の個数: 42

約数和(自身を含む): 38636448

約数和(自身を除く): 19968992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 124, 194, 248, 388, 496, 776, 992, 1552, 1984, 3007, 3104, 6014, 6208, 9409, 12028, 18818, 24056, 37636, 48112, 75272, 96224, 150544, 192448, 291679, 301088, 583358, 602176, 1166716, 2333432, 4666864, 9333728, 18667456]

約数ペア:

[(1, 18667456), (2, 9333728), (4, 4666864), (8, 2333432), (16, 1166716), (31, 602176), (32, 583358), (62, 301088), (64, 291679), (97, 192448), (124, 150544), (194, 96224), (248, 75272), (388, 48112), (496, 37636), (776, 24056), (992, 18818), (1552, 12028), (1984, 9409), (3007, 6208), (3104, 6014)]