18021088

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 37984464

約数和(自身を除く): 19963376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 211, 272, 314, 422, 544, 628, 844, 1256, 1688, 2512, 2669, 3376, 3587, 5024, 5338, 6752, 7174, 10676, 14348, 21352, 28696, 33127, 42704, 57392, 66254, 85408, 114784, 132508, 265016, 530032, 563159, 1060064, 1126318, 2252636, 4505272, 9010544, 18021088]

約数ペア:

[(1, 18021088), (2, 9010544), (4, 4505272), (8, 2252636), (16, 1126318), (17, 1060064), (32, 563159), (34, 530032), (68, 265016), (136, 132508), (157, 114784), (211, 85408), (272, 66254), (314, 57392), (422, 42704), (544, 33127), (628, 28696), (844, 21352), (1256, 14348), (1688, 10676), (2512, 7174), (2669, 6752), (3376, 5338), (3587, 5024)]