19883916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42487}}^1$

素因数の和:42510

約数の個数: 36

約数和(自身を含む): 54129712

約数和(自身を除く): 34245796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42487, 84974, 127461, 169948, 254922, 382383, 509844, 552331, 764766, 1104662, 1529532, 1656993, 2209324, 3313986, 4970979, 6627972, 9941958, 19883916]

約数ペア:

[(1, 19883916), (2, 9941958), (3, 6627972), (4, 4970979), (6, 3313986), (9, 2209324), (12, 1656993), (13, 1529532), (18, 1104662), (26, 764766), (36, 552331), (39, 509844), (52, 382383), (78, 254922), (117, 169948), (156, 127461), (234, 84974), (468, 42487)]