18308291248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{460841}}^1$

素因数の和:461053

約数の個数: 40

約数和(自身を含む): 38401042176

約数和(自身を除く): 20092750928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 764, 1528, 2483, 3056, 4966, 9932, 19864, 39728, 460841, 921682, 1843364, 3686728, 5990933, 7373456, 11981866, 23963732, 47927464, 88020631, 95854928, 176041262, 352082524, 704165048, 1144268203, 1408330096, 2288536406, 4577072812, 9154145624, 18308291248]

約数ペア:

[(1, 18308291248), (2, 9154145624), (4, 4577072812), (8, 2288536406), (13, 1408330096), (16, 1144268203), (26, 704165048), (52, 352082524), (104, 176041262), (191, 95854928), (208, 88020631), (382, 47927464), (764, 23963732), (1528, 11981866), (2483, 7373456), (3056, 5990933), (4966, 3686728), (9932, 1843364), (19864, 921682), (39728, 460841)]