18744948

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 50810760

約数和(自身を除く): 32065812

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 281, 306, 327, 436, 562, 612, 654, 843, 981, 1124, 1308, 1686, 1853, 1962, 2529, 3372, 3706, 3924, 4777, 5058, 5559, 7412, 9554, 10116, 11118, 14331, 16677, 19108, 22236, 28662, 30629, 33354, 42993, 57324, 61258, 66708, 85986, 91887, 122516, 171972, 183774, 275661, 367548, 520693, 551322, 1041386, 1102644, 1562079, 2082772, 3124158, 4686237, 6248316, 9372474, 18744948]

約数ペア:

[(1, 18744948), (2, 9372474), (3, 6248316), (4, 4686237), (6, 3124158), (9, 2082772), (12, 1562079), (17, 1102644), (18, 1041386), (34, 551322), (36, 520693), (51, 367548), (68, 275661), (102, 183774), (109, 171972), (153, 122516), (204, 91887), (218, 85986), (281, 66708), (306, 61258), (327, 57324), (436, 42993), (562, 33354), (612, 30629), (654, 28662), (843, 22236), (981, 19108), (1124, 16677), (1308, 14331), (1686, 11118), (1853, 10116), (1962, 9554), (2529, 7412), (3372, 5559), (3706, 5058), (3924, 4777)]