18043936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 38578680

約数和(自身を除く): 20534744

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 809, 1312, 1394, 1618, 2788, 3236, 5576, 6472, 11152, 12944, 13753, 22304, 25888, 27506, 33169, 55012, 66338, 110024, 132676, 220048, 265352, 440096, 530704, 563873, 1061408, 1127746, 2255492, 4510984, 9021968, 18043936]

約数ペア:

[(1, 18043936), (2, 9021968), (4, 4510984), (8, 2255492), (16, 1127746), (17, 1061408), (32, 563873), (34, 530704), (41, 440096), (68, 265352), (82, 220048), (136, 132676), (164, 110024), (272, 66338), (328, 55012), (544, 33169), (656, 27506), (697, 25888), (809, 22304), (1312, 13753), (1394, 12944), (1618, 11152), (2788, 6472), (3236, 5576)]