18469568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 56

約数和(自身を含む): 40111680

約数和(自身を除く): 21642112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 281, 316, 416, 562, 632, 832, 1027, 1124, 1264, 2054, 2248, 2528, 3653, 4108, 4496, 5056, 7306, 8216, 8992, 14612, 16432, 17984, 22199, 29224, 32864, 44398, 58448, 65728, 88796, 116896, 177592, 233792, 288587, 355184, 577174, 710368, 1154348, 1420736, 2308696, 4617392, 9234784, 18469568]

約数ペア:

[(1, 18469568), (2, 9234784), (4, 4617392), (8, 2308696), (13, 1420736), (16, 1154348), (26, 710368), (32, 577174), (52, 355184), (64, 288587), (79, 233792), (104, 177592), (158, 116896), (208, 88796), (281, 65728), (316, 58448), (416, 44398), (562, 32864), (632, 29224), (832, 22199), (1027, 17984), (1124, 16432), (1264, 14612), (2054, 8992), (2248, 8216), (2528, 7306), (3653, 5056), (4108, 4496)]