18597930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 30632790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1109, 1118, 1290, 1677, 2218, 2795, 3327, 3354, 5545, 5590, 6654, 8385, 11090, 14417, 16635, 16770, 28834, 33270, 43251, 47687, 72085, 86502, 95374, 143061, 144170, 216255, 238435, 286122, 432510, 476870, 619931, 715305, 1239862, 1430610, 1859793, 3099655, 3719586, 6199310, 9298965, 18597930]

約数ペア:

[(1, 18597930), (2, 9298965), (3, 6199310), (5, 3719586), (6, 3099655), (10, 1859793), (13, 1430610), (15, 1239862), (26, 715305), (30, 619931), (39, 476870), (43, 432510), (65, 286122), (78, 238435), (86, 216255), (129, 144170), (130, 143061), (195, 95374), (215, 86502), (258, 72085), (390, 47687), (430, 43251), (559, 33270), (645, 28834), (1109, 16770), (1118, 16635), (1290, 14417), (1677, 11090), (2218, 8385), (2795, 6654), (3327, 5590), (3354, 5545)]