19308016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 27563984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 149, 178, 182, 208, 298, 356, 364, 596, 623, 712, 728, 1043, 1157, 1192, 1246, 1424, 1456, 1937, 2086, 2314, 2384, 2492, 3874, 4172, 4628, 4984, 7748, 8099, 8344, 9256, 9968, 13261, 13559, 15496, 16198, 16688, 18512, 26522, 27118, 30992, 32396, 53044, 54236, 64792, 92827, 106088, 108472, 129584, 172393, 185654, 212176, 216944, 344786, 371308, 689572, 742616, 1206751, 1379144, 1485232, 2413502, 2758288, 4827004, 9654008, 19308016]

約数ペア:

[(1, 19308016), (2, 9654008), (4, 4827004), (7, 2758288), (8, 2413502), (13, 1485232), (14, 1379144), (16, 1206751), (26, 742616), (28, 689572), (52, 371308), (56, 344786), (89, 216944), (91, 212176), (104, 185654), (112, 172393), (149, 129584), (178, 108472), (182, 106088), (208, 92827), (298, 64792), (356, 54236), (364, 53044), (596, 32396), (623, 30992), (712, 27118), (728, 26522), (1043, 18512), (1157, 16688), (1192, 16198), (1246, 15496), (1424, 13559), (1456, 13261), (1937, 9968), (2086, 9256), (2314, 8344), (2384, 8099), (2492, 7748), (3874, 4984), (4172, 4628)]