19051517865

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{1103}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 31803678720

約数和(自身を除く): 12752160855

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 439, 645, 915, 1103, 1317, 2195, 2623, 3309, 5515, 6585, 7869, 13115, 16545, 18877, 26779, 39345, 47429, 56631, 67283, 80337, 94385, 133895, 142287, 201849, 237145, 283155, 336415, 401685, 484217, 711435, 1009245, 1151497, 1452651, 2421085, 2893169, 3454491, 5757485, 7263255, 8679507, 14465845, 17272455, 20821331, 29537237, 43397535, 62463993, 88611711, 104106655, 147686185, 312319965, 443058555, 1270101191, 3810303573, 6350505955, 19051517865]

約数ペア:

[(1, 19051517865), (3, 6350505955), (5, 3810303573), (15, 1270101191), (43, 443058555), (61, 312319965), (129, 147686185), (183, 104106655), (215, 88611711), (305, 62463993), (439, 43397535), (645, 29537237), (915, 20821331), (1103, 17272455), (1317, 14465845), (2195, 8679507), (2623, 7263255), (3309, 5757485), (5515, 3454491), (6585, 2893169), (7869, 2421085), (13115, 1452651), (16545, 1151497), (18877, 1009245), (26779, 711435), (39345, 484217), (47429, 401685), (56631, 336415), (67283, 283155), (80337, 237145), (94385, 201849), (133895, 142287)]