19997796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18313}}^1$

素因数の和:18340

約数の個数: 48

約数和(自身を含む): 57432704

約数和(自身を除く): 37434908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18313, 36626, 54939, 73252, 109878, 128191, 219756, 238069, 256382, 384573, 476138, 512764, 714207, 769146, 952276, 1428414, 1538292, 1666483, 2856828, 3332966, 4999449, 6665932, 9998898, 19997796]

約数ペア:

[(1, 19997796), (2, 9998898), (3, 6665932), (4, 4999449), (6, 3332966), (7, 2856828), (12, 1666483), (13, 1538292), (14, 1428414), (21, 952276), (26, 769146), (28, 714207), (39, 512764), (42, 476138), (52, 384573), (78, 256382), (84, 238069), (91, 219756), (156, 128191), (182, 109878), (273, 73252), (364, 54939), (546, 36626), (1092, 18313)]