18957244

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 54

約数和(自身を含む): 38028704

約数和(自身を除く): 19071460

約数列:

[1, 2, 4, 17, 23, 31, 34, 46, 62, 68, 92, 124, 289, 391, 527, 529, 578, 713, 782, 1054, 1058, 1156, 1426, 1564, 2108, 2116, 2852, 6647, 8959, 8993, 12121, 13294, 16399, 17918, 17986, 24242, 26588, 32798, 35836, 35972, 48484, 65596, 152881, 206057, 278783, 305762, 412114, 557566, 611524, 824228, 1115132, 4739311, 9478622, 18957244]

約数ペア:

[(1, 18957244), (2, 9478622), (4, 4739311), (17, 1115132), (23, 824228), (31, 611524), (34, 557566), (46, 412114), (62, 305762), (68, 278783), (92, 206057), (124, 152881), (289, 65596), (391, 48484), (527, 35972), (529, 35836), (578, 32798), (713, 26588), (782, 24242), (1054, 17986), (1058, 17918), (1156, 16399), (1426, 13294), (1564, 12121), (2108, 8993), (2116, 8959), (2852, 6647)]