19734468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 51403968

約数和(自身を除く): 31669500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 263, 338, 444, 481, 507, 526, 676, 789, 962, 1014, 1052, 1443, 1578, 1924, 2028, 2886, 3156, 3419, 5772, 6253, 6838, 9731, 10257, 12506, 13676, 18759, 19462, 20514, 25012, 29193, 37518, 38924, 41028, 44447, 58386, 75036, 88894, 116772, 126503, 133341, 177788, 253006, 266682, 379509, 506012, 533364, 759018, 1518036, 1644539, 3289078, 4933617, 6578156, 9867234, 19734468]

約数ペア:

[(1, 19734468), (2, 9867234), (3, 6578156), (4, 4933617), (6, 3289078), (12, 1644539), (13, 1518036), (26, 759018), (37, 533364), (39, 506012), (52, 379509), (74, 266682), (78, 253006), (111, 177788), (148, 133341), (156, 126503), (169, 116772), (222, 88894), (263, 75036), (338, 58386), (444, 44447), (481, 41028), (507, 38924), (526, 37518), (676, 29193), (789, 25012), (962, 20514), (1014, 19462), (1052, 18759), (1443, 13676), (1578, 12506), (1924, 10257), (2028, 9731), (2886, 6838), (3156, 6253), (3419, 5772)]