18719610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6887

約数の個数: 64

約数和(自身を含む): 55302912

約数和(自身を除く): 36583302

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6857, 13714, 20571, 34285, 41142, 47999, 68570, 89141, 95998, 102855, 143997, 178282, 205710, 239995, 267423, 287994, 445705, 479990, 534846, 623987, 719985, 891410, 1247974, 1337115, 1439970, 1871961, 2674230, 3119935, 3743922, 6239870, 9359805, 18719610]

約数ペア:

[(1, 18719610), (2, 9359805), (3, 6239870), (5, 3743922), (6, 3119935), (7, 2674230), (10, 1871961), (13, 1439970), (14, 1337115), (15, 1247974), (21, 891410), (26, 719985), (30, 623987), (35, 534846), (39, 479990), (42, 445705), (65, 287994), (70, 267423), (78, 239995), (91, 205710), (105, 178282), (130, 143997), (182, 102855), (195, 95998), (210, 89141), (273, 68570), (390, 47999), (455, 41142), (546, 34285), (910, 20571), (1365, 13714), (2730, 6857)]