19509540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 59802624

約数和(自身を除く): 40293084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 617, 620, 930, 1020, 1054, 1234, 1581, 1851, 1860, 2108, 2468, 2635, 3085, 3162, 3702, 5270, 6170, 6324, 7404, 7905, 9255, 10489, 10540, 12340, 15810, 18510, 19127, 20978, 31467, 31620, 37020, 38254, 41956, 52445, 57381, 62934, 76508, 95635, 104890, 114762, 125868, 157335, 191270, 209780, 229524, 286905, 314670, 325159, 382540, 573810, 629340, 650318, 975477, 1147620, 1300636, 1625795, 1950954, 3251590, 3901908, 4877385, 6503180, 9754770, 19509540]

約数ペア:

[(1, 19509540), (2, 9754770), (3, 6503180), (4, 4877385), (5, 3901908), (6, 3251590), (10, 1950954), (12, 1625795), (15, 1300636), (17, 1147620), (20, 975477), (30, 650318), (31, 629340), (34, 573810), (51, 382540), (60, 325159), (62, 314670), (68, 286905), (85, 229524), (93, 209780), (102, 191270), (124, 157335), (155, 125868), (170, 114762), (186, 104890), (204, 95635), (255, 76508), (310, 62934), (340, 57381), (372, 52445), (465, 41956), (510, 38254), (527, 37020), (617, 31620), (620, 31467), (930, 20978), (1020, 19127), (1054, 18510), (1234, 15810), (1581, 12340), (1851, 10540), (1860, 10489), (2108, 9255), (2468, 7905), (2635, 7404), (3085, 6324), (3162, 6170), (3702, 5270)]