19601127

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 54

約数和(自身を含む): 35799192

約数和(自身を除く): 16198065

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 169, 263, 273, 441, 507, 637, 789, 819, 1183, 1521, 1841, 1911, 2367, 3419, 3549, 5523, 5733, 8281, 10257, 10647, 12887, 16569, 23933, 24843, 30771, 38661, 44447, 71799, 74529, 115983, 133341, 167531, 215397, 311129, 400023, 502593, 933387, 1507779, 2177903, 2800161, 6533709, 19601127]

約数ペア:

[(1, 19601127), (3, 6533709), (7, 2800161), (9, 2177903), (13, 1507779), (21, 933387), (39, 502593), (49, 400023), (63, 311129), (91, 215397), (117, 167531), (147, 133341), (169, 115983), (263, 74529), (273, 71799), (441, 44447), (507, 38661), (637, 30771), (789, 24843), (819, 23933), (1183, 16569), (1521, 12887), (1841, 10647), (1911, 10257), (2367, 8281), (3419, 5733), (3549, 5523)]