19893762

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 52062912

約数和(自身を除く): 32169150

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 81, 106, 126, 159, 162, 189, 318, 331, 371, 378, 477, 567, 662, 742, 954, 993, 1113, 1134, 1431, 1986, 2226, 2317, 2862, 2979, 3339, 4293, 4634, 5958, 6678, 6951, 8586, 8937, 10017, 13902, 17543, 17874, 20034, 20853, 26811, 30051, 35086, 41706, 52629, 53622, 60102, 62559, 105258, 122801, 125118, 157887, 187677, 245602, 315774, 368403, 375354, 473661, 736806, 947322, 1105209, 1420983, 2210418, 2841966, 3315627, 6631254, 9946881, 19893762]

約数ペア:

[(1, 19893762), (2, 9946881), (3, 6631254), (6, 3315627), (7, 2841966), (9, 2210418), (14, 1420983), (18, 1105209), (21, 947322), (27, 736806), (42, 473661), (53, 375354), (54, 368403), (63, 315774), (81, 245602), (106, 187677), (126, 157887), (159, 125118), (162, 122801), (189, 105258), (318, 62559), (331, 60102), (371, 53622), (378, 52629), (477, 41706), (567, 35086), (662, 30051), (742, 26811), (954, 20853), (993, 20034), (1113, 17874), (1134, 17543), (1431, 13902), (1986, 10017), (2226, 8937), (2317, 8586), (2862, 6951), (2979, 6678), (3339, 5958), (4293, 4634)]