1812797961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 2762585280

約数和(自身を除く): 949787319

約数列:

[1, 3, 13, 19, 39, 57, 247, 331, 361, 389, 741, 993, 1083, 1167, 4303, 4693, 5057, 6289, 7391, 12909, 14079, 15171, 18867, 22173, 81757, 96083, 119491, 128759, 140429, 245271, 288249, 358473, 386277, 421287, 1553383, 1673867, 1825577, 2446421, 4660149, 5021601, 5476731, 7339263, 31803473, 46481999, 95410419, 139445997, 604265987, 1812797961]

約数ペア:

[(1, 1812797961), (3, 604265987), (13, 139445997), (19, 95410419), (39, 46481999), (57, 31803473), (247, 7339263), (331, 5476731), (361, 5021601), (389, 4660149), (741, 2446421), (993, 1825577), (1083, 1673867), (1167, 1553383), (4303, 421287), (4693, 386277), (5057, 358473), (6289, 288249), (7391, 245271), (12909, 140429), (14079, 128759), (15171, 119491), (18867, 96083), (22173, 81757)]