38881904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 80352000

約数和(自身を除く): 41470096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 632, 1264, 1501, 1619, 3002, 3238, 6004, 6476, 12008, 12952, 24016, 25904, 30761, 61522, 123044, 127901, 246088, 255802, 492176, 511604, 1023208, 2046416, 2430119, 4860238, 9720476, 19440952, 38881904]

約数ペア:

[(1, 38881904), (2, 19440952), (4, 9720476), (8, 4860238), (16, 2430119), (19, 2046416), (38, 1023208), (76, 511604), (79, 492176), (152, 255802), (158, 246088), (304, 127901), (316, 123044), (632, 61522), (1264, 30761), (1501, 25904), (1619, 24016), (3002, 12952), (3238, 12008), (6004, 6476)]