19439874

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 46407348

約数和(自身を除く): 26967474

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 51, 74, 101, 102, 111, 153, 202, 222, 289, 303, 306, 333, 578, 606, 629, 666, 867, 909, 1258, 1717, 1734, 1818, 1887, 2601, 3434, 3737, 3774, 5151, 5202, 5661, 7474, 10302, 10693, 11211, 11322, 15453, 21386, 22422, 29189, 30906, 32079, 33633, 58378, 63529, 64158, 67266, 87567, 96237, 127058, 175134, 190587, 192474, 262701, 381174, 525402, 571761, 1079993, 1143522, 2159986, 3239979, 6479958, 9719937, 19439874]

約数ペア:

[(1, 19439874), (2, 9719937), (3, 6479958), (6, 3239979), (9, 2159986), (17, 1143522), (18, 1079993), (34, 571761), (37, 525402), (51, 381174), (74, 262701), (101, 192474), (102, 190587), (111, 175134), (153, 127058), (202, 96237), (222, 87567), (289, 67266), (303, 64158), (306, 63529), (333, 58378), (578, 33633), (606, 32079), (629, 30906), (666, 29189), (867, 22422), (909, 21386), (1258, 15453), (1717, 11322), (1734, 11211), (1818, 10693), (1887, 10302), (2601, 7474), (3434, 5661), (3737, 5202), (3774, 5151)]