18557220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 58576896

約数和(自身を除く): 40019676

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 907, 930, 1023, 1364, 1705, 1814, 1860, 2046, 2721, 3410, 3628, 4092, 4535, 5115, 5442, 6820, 9070, 9977, 10230, 10884, 13605, 18140, 19954, 20460, 27210, 28117, 29931, 39908, 49885, 54420, 56234, 59862, 84351, 99770, 112468, 119724, 140585, 149655, 168702, 199540, 281170, 299310, 309287, 337404, 421755, 562340, 598620, 618574, 843510, 927861, 1237148, 1546435, 1687020, 1855722, 3092870, 3711444, 4639305, 6185740, 9278610, 18557220]

約数ペア:

[(1, 18557220), (2, 9278610), (3, 6185740), (4, 4639305), (5, 3711444), (6, 3092870), (10, 1855722), (11, 1687020), (12, 1546435), (15, 1237148), (20, 927861), (22, 843510), (30, 618574), (31, 598620), (33, 562340), (44, 421755), (55, 337404), (60, 309287), (62, 299310), (66, 281170), (93, 199540), (110, 168702), (124, 149655), (132, 140585), (155, 119724), (165, 112468), (186, 99770), (220, 84351), (310, 59862), (330, 56234), (341, 54420), (372, 49885), (465, 39908), (620, 29931), (660, 28117), (682, 27210), (907, 20460), (930, 19954), (1023, 18140), (1364, 13605), (1705, 10884), (1814, 10230), (1860, 9977), (2046, 9070), (2721, 6820), (3410, 5442), (3628, 5115), (4092, 4535)]