19378404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 52896480

約数和(自身を除く): 33518076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 684, 691, 738, 779, 1382, 1476, 1558, 2073, 2337, 2764, 3116, 4146, 4674, 6219, 7011, 8292, 9348, 12438, 13129, 14022, 24876, 26258, 28044, 28331, 39387, 52516, 56662, 78774, 84993, 113324, 118161, 157548, 169986, 236322, 254979, 339972, 472644, 509958, 538289, 1019916, 1076578, 1614867, 2153156, 3229734, 4844601, 6459468, 9689202, 19378404]

約数ペア:

[(1, 19378404), (2, 9689202), (3, 6459468), (4, 4844601), (6, 3229734), (9, 2153156), (12, 1614867), (18, 1076578), (19, 1019916), (36, 538289), (38, 509958), (41, 472644), (57, 339972), (76, 254979), (82, 236322), (114, 169986), (123, 157548), (164, 118161), (171, 113324), (228, 84993), (246, 78774), (342, 56662), (369, 52516), (492, 39387), (684, 28331), (691, 28044), (738, 26258), (779, 24876), (1382, 14022), (1476, 13129), (1558, 12438), (2073, 9348), (2337, 8292), (2764, 7011), (3116, 6219), (4146, 4674)]