15638368

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 34813800

約数和(自身を除く): 19175432

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 89, 136, 152, 178, 272, 289, 304, 323, 356, 544, 578, 608, 646, 712, 1156, 1292, 1424, 1513, 1691, 2312, 2584, 2848, 3026, 3382, 4624, 5168, 5491, 6052, 6764, 9248, 10336, 10982, 12104, 13528, 21964, 24208, 25721, 27056, 28747, 43928, 48416, 51442, 54112, 57494, 87856, 102884, 114988, 175712, 205768, 229976, 411536, 459952, 488699, 823072, 919904, 977398, 1954796, 3909592, 7819184, 15638368]

約数ペア:

[(1, 15638368), (2, 7819184), (4, 3909592), (8, 1954796), (16, 977398), (17, 919904), (19, 823072), (32, 488699), (34, 459952), (38, 411536), (68, 229976), (76, 205768), (89, 175712), (136, 114988), (152, 102884), (178, 87856), (272, 57494), (289, 54112), (304, 51442), (323, 48416), (356, 43928), (544, 28747), (578, 27056), (608, 25721), (646, 24208), (712, 21964), (1156, 13528), (1292, 12104), (1424, 10982), (1513, 10336), (1691, 9248), (2312, 6764), (2584, 6052), (2848, 5491), (3026, 5168), (3382, 4624)]