18662610820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1\times {\mathrm{1301}}^1$

素因数の和:2693

約数の個数: 96

約数和(自身を含む): 45427092480

約数和(自身を除く): 26764481660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1297, 1301, 1580, 2212, 2594, 2602, 2765, 5188, 5204, 5530, 6485, 6505, 9079, 9107, 11060, 12970, 13010, 18158, 18214, 25940, 26020, 36316, 36428, 45395, 45535, 90790, 91070, 102463, 102779, 181580, 182140, 204926, 205558, 409852, 411116, 512315, 513895, 717241, 719453, 1024630, 1027790, 1434482, 1438906, 1687397, 2049260, 2055580, 2868964, 2877812, 3374794, 3586205, 3597265, 6749588, 7172410, 7194530, 8436985, 11811779, 14344820, 14389060, 16873970, 23623558, 33747940, 47247116, 59058895, 118117790, 133304363, 236235580, 266608726, 533217452, 666521815, 933130541, 1333043630, 1866261082, 2666087260, 3732522164, 4665652705, 9331305410, 18662610820]

約数ペア:

[(1, 18662610820), (2, 9331305410), (4, 4665652705), (5, 3732522164), (7, 2666087260), (10, 1866261082), (14, 1333043630), (20, 933130541), (28, 666521815), (35, 533217452), (70, 266608726), (79, 236235580), (140, 133304363), (158, 118117790), (316, 59058895), (395, 47247116), (553, 33747940), (790, 23623558), (1106, 16873970), (1297, 14389060), (1301, 14344820), (1580, 11811779), (2212, 8436985), (2594, 7194530), (2602, 7172410), (2765, 6749588), (5188, 3597265), (5204, 3586205), (5530, 3374794), (6485, 2877812), (6505, 2868964), (9079, 2055580), (9107, 2049260), (11060, 1687397), (12970, 1438906), (13010, 1434482), (18158, 1027790), (18214, 1024630), (25940, 719453), (26020, 717241), (36316, 513895), (36428, 512315), (45395, 411116), (45535, 409852), (90790, 205558), (91070, 204926), (102463, 182140), (102779, 181580)]