18666947523

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 29509401600

約数和(自身を除く): 10842454077

約数列:

[1, 3, 7, 21, 41, 123, 149, 227, 287, 447, 641, 681, 861, 1043, 1589, 1923, 3129, 4487, 4767, 6109, 9307, 13461, 18327, 26281, 27921, 33823, 42763, 65149, 78843, 95509, 101469, 128289, 145507, 183967, 195447, 236761, 286527, 436521, 551901, 668563, 710283, 1018549, 1386743, 2005689, 3055647, 3915869, 4160229, 5965787, 9707201, 11747607, 17897361, 21680543, 27411083, 29121603, 41760509, 65041629, 82233249, 125281527, 151763801, 455291403, 888902263, 2666706789, 6222315841, 18666947523]

約数ペア:

[(1, 18666947523), (3, 6222315841), (7, 2666706789), (21, 888902263), (41, 455291403), (123, 151763801), (149, 125281527), (227, 82233249), (287, 65041629), (447, 41760509), (641, 29121603), (681, 27411083), (861, 21680543), (1043, 17897361), (1589, 11747607), (1923, 9707201), (3129, 5965787), (4487, 4160229), (4767, 3915869), (6109, 3055647), (9307, 2005689), (13461, 1386743), (18327, 1018549), (26281, 710283), (27921, 668563), (33823, 551901), (42763, 436521), (65149, 286527), (78843, 236761), (95509, 195447), (101469, 183967), (128289, 145507)]