18190972016

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{29917}}^1$

素因数の和:30082

約数の個数: 80

約数和(自身を含む): 41401725120

約数和(自身を除く): 23210753104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 89, 112, 122, 178, 244, 356, 427, 488, 623, 712, 854, 976, 1246, 1424, 1708, 2492, 3416, 4984, 5429, 6832, 9968, 10858, 21716, 29917, 38003, 43432, 59834, 76006, 86864, 119668, 152012, 209419, 239336, 304024, 418838, 478672, 608048, 837676, 1675352, 1824937, 2662613, 3350704, 3649874, 5325226, 7299748, 10650452, 12774559, 14599496, 18638291, 21300904, 25549118, 29198992, 37276582, 42601808, 51098236, 74553164, 102196472, 149106328, 162419393, 204392944, 298212656, 324838786, 649677572, 1136935751, 1299355144, 2273871502, 2598710288, 4547743004, 9095486008, 18190972016]

約数ペア:

[(1, 18190972016), (2, 9095486008), (4, 4547743004), (7, 2598710288), (8, 2273871502), (14, 1299355144), (16, 1136935751), (28, 649677572), (56, 324838786), (61, 298212656), (89, 204392944), (112, 162419393), (122, 149106328), (178, 102196472), (244, 74553164), (356, 51098236), (427, 42601808), (488, 37276582), (623, 29198992), (712, 25549118), (854, 21300904), (976, 18638291), (1246, 14599496), (1424, 12774559), (1708, 10650452), (2492, 7299748), (3416, 5325226), (4984, 3649874), (5429, 3350704), (6832, 2662613), (9968, 1824937), (10858, 1675352), (21716, 837676), (29917, 608048), (38003, 478672), (43432, 418838), (59834, 304024), (76006, 239336), (86864, 209419), (119668, 152012)]