19305090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30643}}^1$

素因数の和:30663

約数の個数: 48

約数和(自身を含む): 57365568

約数和(自身を除く): 38060478

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30643, 61286, 91929, 153215, 183858, 214501, 275787, 306430, 429002, 459645, 551574, 643503, 919290, 1072505, 1287006, 1378935, 1930509, 2145010, 2757870, 3217515, 3861018, 6435030, 9652545, 19305090]

約数ペア:

[(1, 19305090), (2, 9652545), (3, 6435030), (5, 3861018), (6, 3217515), (7, 2757870), (9, 2145010), (10, 1930509), (14, 1378935), (15, 1287006), (18, 1072505), (21, 919290), (30, 643503), (35, 551574), (42, 459645), (45, 429002), (63, 306430), (70, 275787), (90, 214501), (105, 183858), (126, 153215), (210, 91929), (315, 61286), (630, 30643)]