18548180991

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 27537887520

約数和(自身を除く): 8989706529

約数列:

[1, 3, 9, 59, 177, 197, 233, 531, 591, 699, 761, 1773, 2097, 2283, 6849, 11623, 13747, 34869, 41241, 44899, 45901, 104607, 123723, 134697, 137703, 149917, 177313, 404091, 413109, 449751, 531939, 1349253, 1595817, 2708159, 8124477, 8845103, 10461467, 24373431, 26535309, 31384401, 34930661, 79605927, 94153203, 104791983, 314375949, 2060908999, 6182726997, 18548180991]

約数ペア:

[(1, 18548180991), (3, 6182726997), (9, 2060908999), (59, 314375949), (177, 104791983), (197, 94153203), (233, 79605927), (531, 34930661), (591, 31384401), (699, 26535309), (761, 24373431), (1773, 10461467), (2097, 8845103), (2283, 8124477), (6849, 2708159), (11623, 1595817), (13747, 1349253), (34869, 531939), (41241, 449751), (44899, 413109), (45901, 404091), (104607, 177313), (123723, 149917), (134697, 137703)]