19995612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18311}}^1$

素因数の和:18338

約数の個数: 48

約数和(自身を含む): 57426432

約数和(自身を除く): 37430820

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, 18311, 36622, 54933, 73244, 109866, 128177, 219732, 238043, 256354, 384531, 476086, 512708, 714129, 769062, 952172, 1428258, 1538124, 1666301, 2856516, 3332602, 4998903, 6665204, 9997806, 19995612]

約数ペア:

[(1, 19995612), (2, 9997806), (3, 6665204), (4, 4998903), (6, 3332602), (7, 2856516), (12, 1666301), (13, 1538124), (14, 1428258), (21, 952172), (26, 769062), (28, 714129), (39, 512708), (42, 476086), (52, 384531), (78, 256354), (84, 238043), (91, 219732), (156, 128177), (182, 109866), (273, 73244), (364, 54933), (546, 36622), (1092, 18311)]