19722276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 57954624

約数和(自身を除く): 38232348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1283, 1708, 2196, 2562, 2566, 3843, 3849, 5124, 5132, 7686, 7698, 8981, 11547, 15372, 15396, 17962, 23094, 26943, 35924, 46188, 53886, 78263, 80829, 107772, 156526, 161658, 234789, 313052, 323316, 469578, 547841, 704367, 939156, 1095682, 1408734, 1643523, 2191364, 2817468, 3287046, 4930569, 6574092, 9861138, 19722276]

約数ペア:

[(1, 19722276), (2, 9861138), (3, 6574092), (4, 4930569), (6, 3287046), (7, 2817468), (9, 2191364), (12, 1643523), (14, 1408734), (18, 1095682), (21, 939156), (28, 704367), (36, 547841), (42, 469578), (61, 323316), (63, 313052), (84, 234789), (122, 161658), (126, 156526), (183, 107772), (244, 80829), (252, 78263), (366, 53886), (427, 46188), (549, 35924), (732, 26943), (854, 23094), (1098, 17962), (1281, 15396), (1283, 15372), (1708, 11547), (2196, 8981), (2562, 7698), (2566, 7686), (3843, 5132), (3849, 5124)]