19502801416

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{72269}}^1$

素因数の和:72422

約数の個数: 64

約数和(自身を含む): 43015104000

約数和(自身を除く): 23512302584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 79, 122, 158, 244, 316, 427, 488, 553, 632, 854, 1106, 1708, 2212, 3416, 4424, 4819, 9638, 19276, 33733, 38552, 67466, 72269, 134932, 144538, 269864, 289076, 505883, 578152, 1011766, 2023532, 4047064, 4408409, 5709251, 8816818, 11418502, 17633636, 22837004, 30858863, 35267272, 39964757, 45674008, 61717726, 79929514, 123435452, 159859028, 246870904, 319718056, 348264311, 696528622, 1393057244, 2437850177, 2786114488, 4875700354, 9751400708, 19502801416]

約数ペア:

[(1, 19502801416), (2, 9751400708), (4, 4875700354), (7, 2786114488), (8, 2437850177), (14, 1393057244), (28, 696528622), (56, 348264311), (61, 319718056), (79, 246870904), (122, 159859028), (158, 123435452), (244, 79929514), (316, 61717726), (427, 45674008), (488, 39964757), (553, 35267272), (632, 30858863), (854, 22837004), (1106, 17633636), (1708, 11418502), (2212, 8816818), (3416, 5709251), (4424, 4408409), (4819, 4047064), (9638, 2023532), (19276, 1011766), (33733, 578152), (38552, 505883), (67466, 289076), (72269, 269864), (134932, 144538)]