18751616

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22374784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 191, 208, 236, 382, 416, 472, 764, 767, 832, 944, 1528, 1534, 1664, 1888, 2483, 3056, 3068, 3776, 4966, 6112, 6136, 7552, 9932, 11269, 12224, 12272, 19864, 22538, 24448, 24544, 39728, 45076, 49088, 79456, 90152, 98176, 146497, 158912, 180304, 292994, 317824, 360608, 585988, 721216, 1171976, 1442432, 2343952, 4687904, 9375808, 18751616]

約数ペア:

[(1, 18751616), (2, 9375808), (4, 4687904), (8, 2343952), (13, 1442432), (16, 1171976), (26, 721216), (32, 585988), (52, 360608), (59, 317824), (64, 292994), (104, 180304), (118, 158912), (128, 146497), (191, 98176), (208, 90152), (236, 79456), (382, 49088), (416, 45076), (472, 39728), (764, 24544), (767, 24448), (832, 22538), (944, 19864), (1528, 12272), (1534, 12224), (1664, 11269), (1888, 9932), (2483, 7552), (3056, 6136), (3068, 6112), (3776, 4966)]