19997340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:803

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 42659940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 739, 820, 902, 1230, 1353, 1478, 1804, 2217, 2255, 2460, 2706, 2956, 3695, 4434, 4510, 5412, 6765, 7390, 8129, 8868, 9020, 11085, 13530, 14780, 16258, 22170, 24387, 27060, 30299, 32516, 40645, 44340, 48774, 60598, 81290, 90897, 97548, 121196, 121935, 151495, 162580, 181794, 243870, 302990, 333289, 363588, 454485, 487740, 605980, 666578, 908970, 999867, 1333156, 1666445, 1817940, 1999734, 3332890, 3999468, 4999335, 6665780, 9998670, 19997340]

約数ペア:

[(1, 19997340), (2, 9998670), (3, 6665780), (4, 4999335), (5, 3999468), (6, 3332890), (10, 1999734), (11, 1817940), (12, 1666445), (15, 1333156), (20, 999867), (22, 908970), (30, 666578), (33, 605980), (41, 487740), (44, 454485), (55, 363588), (60, 333289), (66, 302990), (82, 243870), (110, 181794), (123, 162580), (132, 151495), (164, 121935), (165, 121196), (205, 97548), (220, 90897), (246, 81290), (330, 60598), (410, 48774), (451, 44340), (492, 40645), (615, 32516), (660, 30299), (739, 27060), (820, 24387), (902, 22170), (1230, 16258), (1353, 14780), (1478, 13530), (1804, 11085), (2217, 9020), (2255, 8868), (2460, 8129), (2706, 7390), (2956, 6765), (3695, 5412), (4434, 4510)]