18661734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11393}}^1$

素因数の和:11421

約数の個数: 48

約数和(自身を含む): 49768992

約数和(自身を除く): 31107258

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, 11393, 22786, 34179, 68358, 79751, 102537, 148109, 159502, 205074, 239253, 296218, 444327, 478506, 717759, 888654, 1036763, 1332981, 1435518, 2073526, 2665962, 3110289, 6220578, 9330867, 18661734]

約数ペア:

[(1, 18661734), (2, 9330867), (3, 6220578), (6, 3110289), (7, 2665962), (9, 2073526), (13, 1435518), (14, 1332981), (18, 1036763), (21, 888654), (26, 717759), (39, 478506), (42, 444327), (63, 296218), (78, 239253), (91, 205074), (117, 159502), (126, 148109), (182, 102537), (234, 79751), (273, 68358), (546, 34179), (819, 22786), (1638, 11393)]