19993296

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 34646064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 53, 58, 87, 106, 116, 159, 174, 212, 232, 271, 318, 348, 424, 464, 542, 636, 696, 813, 848, 1084, 1272, 1392, 1537, 1626, 2168, 2544, 3074, 3252, 4336, 4611, 6148, 6504, 7859, 9222, 12296, 13008, 14363, 15718, 18444, 23577, 24592, 28726, 31436, 36888, 43089, 47154, 57452, 62872, 73776, 86178, 94308, 114904, 125744, 172356, 188616, 229808, 344712, 377232, 416527, 689424, 833054, 1249581, 1666108, 2499162, 3332216, 4998324, 6664432, 9996648, 19993296]

約数ペア:

[(1, 19993296), (2, 9996648), (3, 6664432), (4, 4998324), (6, 3332216), (8, 2499162), (12, 1666108), (16, 1249581), (24, 833054), (29, 689424), (48, 416527), (53, 377232), (58, 344712), (87, 229808), (106, 188616), (116, 172356), (159, 125744), (174, 114904), (212, 94308), (232, 86178), (271, 73776), (318, 62872), (348, 57452), (424, 47154), (464, 43089), (542, 36888), (636, 31436), (696, 28726), (813, 24592), (848, 23577), (1084, 18444), (1272, 15718), (1392, 14363), (1537, 13008), (1626, 12296), (2168, 9222), (2544, 7859), (3074, 6504), (3252, 6148), (4336, 4611)]