18880212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3271}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 48739712

約数和(自身を除く): 29859500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3271, 5772, 6542, 9813, 13084, 19626, 39252, 42523, 85046, 121027, 127569, 170092, 242054, 255138, 363081, 484108, 510276, 726162, 1452324, 1573351, 3146702, 4720053, 6293404, 9440106, 18880212]

約数ペア:

[(1, 18880212), (2, 9440106), (3, 6293404), (4, 4720053), (6, 3146702), (12, 1573351), (13, 1452324), (26, 726162), (37, 510276), (39, 484108), (52, 363081), (74, 255138), (78, 242054), (111, 170092), (148, 127569), (156, 121027), (222, 85046), (444, 42523), (481, 39252), (962, 19626), (1443, 13084), (1924, 9813), (2886, 6542), (3271, 5772)]