18632901

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 14268219

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 67, 119, 123, 133, 201, 287, 323, 357, 399, 469, 697, 779, 861, 969, 1139, 1273, 1407, 2091, 2261, 2337, 2747, 3417, 3819, 4879, 5453, 6783, 7973, 8241, 8911, 13243, 14637, 16359, 19229, 21641, 23919, 26733, 39729, 46699, 52193, 57687, 64923, 92701, 140097, 151487, 156579, 278103, 326893, 365351, 454461, 887281, 980679, 1096053, 2661843, 6210967, 18632901]

約数ペア:

[(1, 18632901), (3, 6210967), (7, 2661843), (17, 1096053), (19, 980679), (21, 887281), (41, 454461), (51, 365351), (57, 326893), (67, 278103), (119, 156579), (123, 151487), (133, 140097), (201, 92701), (287, 64923), (323, 57687), (357, 52193), (399, 46699), (469, 39729), (697, 26733), (779, 23919), (861, 21641), (969, 19229), (1139, 16359), (1273, 14637), (1407, 13243), (2091, 8911), (2261, 8241), (2337, 7973), (2747, 6783), (3417, 5453), (3819, 4879)]