18995886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11597}}^1$

素因数の和:11625

約数の個数: 48

約数和(自身を含む): 50660064

約数和(自身を除く): 31664178

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, 11597, 23194, 34791, 69582, 81179, 104373, 150761, 162358, 208746, 243537, 301522, 452283, 487074, 730611, 904566, 1055327, 1356849, 1461222, 2110654, 2713698, 3165981, 6331962, 9497943, 18995886]

約数ペア:

[(1, 18995886), (2, 9497943), (3, 6331962), (6, 3165981), (7, 2713698), (9, 2110654), (13, 1461222), (14, 1356849), (18, 1055327), (21, 904566), (26, 730611), (39, 487074), (42, 452283), (63, 301522), (78, 243537), (91, 208746), (117, 162358), (126, 150761), (182, 104373), (234, 81179), (273, 69582), (546, 34791), (819, 23194), (1638, 11597)]