20118618

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 80

約数和(自身を含む): 49945896

約数和(自身を除く): 29827278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 81, 82, 117, 123, 162, 233, 234, 246, 351, 369, 466, 533, 699, 702, 738, 1053, 1066, 1107, 1398, 1599, 2097, 2106, 2214, 3029, 3198, 3321, 4194, 4797, 6058, 6291, 6642, 9087, 9553, 9594, 12582, 14391, 18174, 18873, 19106, 27261, 28659, 28782, 37746, 43173, 54522, 57318, 81783, 85977, 86346, 124189, 163566, 171954, 245349, 248378, 257931, 372567, 490698, 515862, 745134, 773793, 1117701, 1547586, 2235402, 3353103, 6706206, 10059309, 20118618]

約数ペア:

[(1, 20118618), (2, 10059309), (3, 6706206), (6, 3353103), (9, 2235402), (13, 1547586), (18, 1117701), (26, 773793), (27, 745134), (39, 515862), (41, 490698), (54, 372567), (78, 257931), (81, 248378), (82, 245349), (117, 171954), (123, 163566), (162, 124189), (233, 86346), (234, 85977), (246, 81783), (351, 57318), (369, 54522), (466, 43173), (533, 37746), (699, 28782), (702, 28659), (738, 27261), (1053, 19106), (1066, 18873), (1107, 18174), (1398, 14391), (1599, 12582), (2097, 9594), (2106, 9553), (2214, 9087), (3029, 6642), (3198, 6291), (3321, 6058), (4194, 4797)]