18868395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 38836224

約数和(自身を除く): 19967829

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 601, 805, 897, 1365, 1495, 1803, 2093, 2415, 3005, 4207, 4485, 6279, 7813, 9015, 10465, 12621, 13823, 21035, 23439, 31395, 39065, 41469, 54691, 63105, 69115, 96761, 117195, 164073, 179699, 207345, 273455, 290283, 483805, 539097, 820365, 898495, 1257893, 1451415, 2695485, 3773679, 6289465, 18868395]

約数ペア:

[(1, 18868395), (3, 6289465), (5, 3773679), (7, 2695485), (13, 1451415), (15, 1257893), (21, 898495), (23, 820365), (35, 539097), (39, 483805), (65, 290283), (69, 273455), (91, 207345), (105, 179699), (115, 164073), (161, 117195), (195, 96761), (273, 69115), (299, 63105), (345, 54691), (455, 41469), (483, 39065), (601, 31395), (805, 23439), (897, 21035), (1365, 13823), (1495, 12621), (1803, 10465), (2093, 9015), (2415, 7813), (3005, 6279), (4207, 4485)]