18341440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4439

約数の個数: 56

約数和(自身を含む): 47045880

約数和(自身を除く): 28704440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4409, 8818, 17636, 22045, 35272, 44090, 57317, 70544, 88180, 114634, 141088, 176360, 229268, 282176, 286585, 352720, 458536, 573170, 705440, 917072, 1146340, 1410880, 1834144, 2292680, 3668288, 4585360, 9170720, 18341440]

約数ペア:

[(1, 18341440), (2, 9170720), (4, 4585360), (5, 3668288), (8, 2292680), (10, 1834144), (13, 1410880), (16, 1146340), (20, 917072), (26, 705440), (32, 573170), (40, 458536), (52, 352720), (64, 286585), (65, 282176), (80, 229268), (104, 176360), (130, 141088), (160, 114634), (208, 88180), (260, 70544), (320, 57317), (416, 44090), (520, 35272), (832, 22045), (1040, 17636), (2080, 8818), (4160, 4409)]