18322720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 30448352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 383, 416, 460, 520, 598, 736, 766, 920, 1040, 1196, 1495, 1532, 1840, 1915, 2080, 2392, 2990, 3064, 3680, 3830, 4784, 4979, 5980, 6128, 7660, 8809, 9568, 9958, 11960, 12256, 15320, 17618, 19916, 23920, 24895, 30640, 35236, 39832, 44045, 47840, 49790, 61280, 70472, 79664, 88090, 99580, 114517, 140944, 159328, 176180, 199160, 229034, 281888, 352360, 398320, 458068, 572585, 704720, 796640, 916136, 1145170, 1409440, 1832272, 2290340, 3664544, 4580680, 9161360, 18322720]

約数ペア:

[(1, 18322720), (2, 9161360), (4, 4580680), (5, 3664544), (8, 2290340), (10, 1832272), (13, 1409440), (16, 1145170), (20, 916136), (23, 796640), (26, 704720), (32, 572585), (40, 458068), (46, 398320), (52, 352360), (65, 281888), (80, 229034), (92, 199160), (104, 176180), (115, 159328), (130, 140944), (160, 114517), (184, 99580), (208, 88090), (230, 79664), (260, 70472), (299, 61280), (368, 49790), (383, 47840), (416, 44045), (460, 39832), (520, 35236), (598, 30640), (736, 24895), (766, 23920), (920, 19916), (1040, 17618), (1196, 15320), (1495, 12256), (1532, 11960), (1840, 9958), (1915, 9568), (2080, 8809), (2392, 7660), (2990, 6128), (3064, 5980), (3680, 4979), (3830, 4784)]