15921972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 45357312

約数和(自身を除く): 29435340

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1297, 1364, 2046, 2594, 3069, 3891, 4092, 5188, 6138, 7782, 11673, 12276, 14267, 15564, 23346, 28534, 40207, 42801, 46692, 57068, 80414, 85602, 120621, 128403, 160828, 171204, 241242, 256806, 361863, 442277, 482484, 513612, 723726, 884554, 1326831, 1447452, 1769108, 2653662, 3980493, 5307324, 7960986, 15921972]

約数ペア:

[(1, 15921972), (2, 7960986), (3, 5307324), (4, 3980493), (6, 2653662), (9, 1769108), (11, 1447452), (12, 1326831), (18, 884554), (22, 723726), (31, 513612), (33, 482484), (36, 442277), (44, 361863), (62, 256806), (66, 241242), (93, 171204), (99, 160828), (124, 128403), (132, 120621), (186, 85602), (198, 80414), (279, 57068), (341, 46692), (372, 42801), (396, 40207), (558, 28534), (682, 23346), (1023, 15564), (1116, 14267), (1297, 12276), (1364, 11673), (2046, 7782), (2594, 6138), (3069, 5188), (3891, 4092)]