18191488

素因数分解:

$2^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 42105600

約数和(自身を除く): 23914112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 257, 316, 448, 514, 553, 632, 896, 1028, 1106, 1264, 1799, 2056, 2212, 2528, 3598, 4112, 4424, 5056, 7196, 8224, 8848, 10112, 14392, 16448, 17696, 20303, 28784, 32896, 35392, 40606, 57568, 70784, 81212, 115136, 142121, 162424, 230272, 284242, 324848, 568484, 649696, 1136968, 1299392, 2273936, 2598784, 4547872, 9095744, 18191488]

約数ペア:

[(1, 18191488), (2, 9095744), (4, 4547872), (7, 2598784), (8, 2273936), (14, 1299392), (16, 1136968), (28, 649696), (32, 568484), (56, 324848), (64, 284242), (79, 230272), (112, 162424), (128, 142121), (158, 115136), (224, 81212), (257, 70784), (316, 57568), (448, 40606), (514, 35392), (553, 32896), (632, 28784), (896, 20303), (1028, 17696), (1106, 16448), (1264, 14392), (1799, 10112), (2056, 8848), (2212, 8224), (2528, 7196), (3598, 5056), (4112, 4424)]