18881226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11527}}^1$

素因数の和:11555

約数の個数: 48

約数和(自身を含む): 50354304

約数和(自身を除く): 31473078

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11527, 23054, 34581, 69162, 80689, 103743, 149851, 161378, 207486, 242067, 299702, 449553, 484134, 726201, 899106, 1048957, 1348659, 1452402, 2097914, 2697318, 3146871, 6293742, 9440613, 18881226]

約数ペア:

[(1, 18881226), (2, 9440613), (3, 6293742), (6, 3146871), (7, 2697318), (9, 2097914), (13, 1452402), (14, 1348659), (18, 1048957), (21, 899106), (26, 726201), (39, 484134), (42, 449553), (63, 299702), (78, 242067), (91, 207486), (117, 161378), (126, 149851), (182, 103743), (234, 80689), (273, 69162), (546, 34581), (819, 23054), (1638, 11527)]