18801510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 56899584

約数和(自身を除く): 38098074

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 71, 78, 91, 97, 105, 130, 142, 182, 194, 195, 210, 213, 273, 291, 355, 390, 426, 455, 485, 497, 546, 582, 679, 710, 910, 923, 970, 994, 1065, 1261, 1358, 1365, 1455, 1491, 1846, 2037, 2130, 2485, 2522, 2730, 2769, 2910, 2982, 3395, 3783, 4074, 4615, 4970, 5538, 6305, 6461, 6790, 6887, 7455, 7566, 8827, 9230, 10185, 12610, 12922, 13774, 13845, 14910, 17654, 18915, 19383, 20370, 20661, 26481, 27690, 32305, 34435, 37830, 38766, 41322, 44135, 48209, 52962, 64610, 68870, 88270, 89531, 96418, 96915, 103305, 132405, 144627, 179062, 193830, 206610, 241045, 264810, 268593, 289254, 447655, 482090, 537186, 626717, 723135, 895310, 1253434, 1342965, 1446270, 1880151, 2685930, 3133585, 3760302, 6267170, 9400755, 18801510]

約数ペア:

[(1, 18801510), (2, 9400755), (3, 6267170), (5, 3760302), (6, 3133585), (7, 2685930), (10, 1880151), (13, 1446270), (14, 1342965), (15, 1253434), (21, 895310), (26, 723135), (30, 626717), (35, 537186), (39, 482090), (42, 447655), (65, 289254), (70, 268593), (71, 264810), (78, 241045), (91, 206610), (97, 193830), (105, 179062), (130, 144627), (142, 132405), (182, 103305), (194, 96915), (195, 96418), (210, 89531), (213, 88270), (273, 68870), (291, 64610), (355, 52962), (390, 48209), (426, 44135), (455, 41322), (485, 38766), (497, 37830), (546, 34435), (582, 32305), (679, 27690), (710, 26481), (910, 20661), (923, 20370), (970, 19383), (994, 18915), (1065, 17654), (1261, 14910), (1358, 13845), (1365, 13774), (1455, 12922), (1491, 12610), (1846, 10185), (2037, 9230), (2130, 8827), (2485, 7566), (2522, 7455), (2730, 6887), (2769, 6790), (2910, 6461), (2982, 6305), (3395, 5538), (3783, 4970), (4074, 4615)]