18265910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 19836490

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 149, 205, 230, 298, 299, 410, 533, 598, 745, 943, 1066, 1490, 1495, 1886, 1937, 2665, 2990, 3427, 3874, 4715, 5330, 6109, 6854, 9430, 9685, 12218, 12259, 17135, 19370, 24518, 30545, 34270, 44551, 61090, 61295, 79417, 89102, 122590, 140507, 158834, 222755, 281014, 397085, 445510, 702535, 794170, 1405070, 1826591, 3653182, 9132955, 18265910]

約数ペア:

[(1, 18265910), (2, 9132955), (5, 3653182), (10, 1826591), (13, 1405070), (23, 794170), (26, 702535), (41, 445510), (46, 397085), (65, 281014), (82, 222755), (115, 158834), (130, 140507), (149, 122590), (205, 89102), (230, 79417), (298, 61295), (299, 61090), (410, 44551), (533, 34270), (598, 30545), (745, 24518), (943, 19370), (1066, 17135), (1490, 12259), (1495, 12218), (1886, 9685), (1937, 9430), (2665, 6854), (2990, 6109), (3427, 5330), (3874, 4715)]