19830447

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 36835680

約数和(自身を除く): 17005233

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1153, 1323, 1911, 2457, 3459, 5733, 8071, 10377, 14989, 17199, 24213, 31131, 44967, 56497, 72639, 104923, 134901, 169491, 217917, 314769, 404703, 508473, 734461, 944307, 1525419, 2203383, 2832921, 6610149, 19830447]

約数ペア:

[(1, 19830447), (3, 6610149), (7, 2832921), (9, 2203383), (13, 1525419), (21, 944307), (27, 734461), (39, 508473), (49, 404703), (63, 314769), (91, 217917), (117, 169491), (147, 134901), (189, 104923), (273, 72639), (351, 56497), (441, 44967), (637, 31131), (819, 24213), (1153, 17199), (1323, 14989), (1911, 10377), (2457, 8071), (3459, 5733)]