19984830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2909}}^1$

素因数の和:3148

約数の個数: 32

約数和(自身を含む): 48189600

約数和(自身を除く): 28204770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 2909, 3435, 5818, 6870, 8727, 14545, 17454, 29090, 43635, 87270, 666161, 1332322, 1998483, 3330805, 3996966, 6661610, 9992415, 19984830]

約数ペア:

[(1, 19984830), (2, 9992415), (3, 6661610), (5, 3996966), (6, 3330805), (10, 1998483), (15, 1332322), (30, 666161), (229, 87270), (458, 43635), (687, 29090), (1145, 17454), (1374, 14545), (2290, 8727), (2909, 6870), (3435, 5818)]