18303740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29959300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 113, 130, 140, 178, 182, 226, 260, 356, 364, 445, 452, 455, 565, 623, 791, 890, 910, 1130, 1157, 1246, 1469, 1582, 1780, 1820, 2260, 2314, 2492, 2938, 3115, 3164, 3955, 4628, 5785, 5876, 6230, 7345, 7910, 8099, 10057, 10283, 11570, 12460, 14690, 15820, 16198, 20114, 20566, 23140, 29380, 32396, 40228, 40495, 41132, 50285, 51415, 70399, 80990, 100570, 102830, 130741, 140798, 161980, 201140, 205660, 261482, 281596, 351995, 522964, 653705, 703990, 915187, 1307410, 1407980, 1830374, 2614820, 3660748, 4575935, 9151870, 18303740]

約数ペア:

[(1, 18303740), (2, 9151870), (4, 4575935), (5, 3660748), (7, 2614820), (10, 1830374), (13, 1407980), (14, 1307410), (20, 915187), (26, 703990), (28, 653705), (35, 522964), (52, 351995), (65, 281596), (70, 261482), (89, 205660), (91, 201140), (113, 161980), (130, 140798), (140, 130741), (178, 102830), (182, 100570), (226, 80990), (260, 70399), (356, 51415), (364, 50285), (445, 41132), (452, 40495), (455, 40228), (565, 32396), (623, 29380), (791, 23140), (890, 20566), (910, 20114), (1130, 16198), (1157, 15820), (1246, 14690), (1469, 12460), (1582, 11570), (1780, 10283), (1820, 10057), (2260, 8099), (2314, 7910), (2492, 7345), (2938, 6230), (3115, 5876), (3164, 5785), (3955, 4628)]