18783440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18061}}^1$

素因数の和:18087

約数の個数: 40

約数和(自身を含む): 47033448

約数和(自身を除く): 28250008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18061, 36122, 72244, 90305, 144488, 180610, 234793, 288976, 361220, 469586, 722440, 939172, 1173965, 1444880, 1878344, 2347930, 3756688, 4695860, 9391720, 18783440]

約数ペア:

[(1, 18783440), (2, 9391720), (4, 4695860), (5, 3756688), (8, 2347930), (10, 1878344), (13, 1444880), (16, 1173965), (20, 939172), (26, 722440), (40, 469586), (52, 361220), (65, 288976), (80, 234793), (104, 180610), (130, 144488), (208, 90305), (260, 72244), (520, 36122), (1040, 18061)]