19970784

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4079}}^1$

素因数の和:4112

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 40176576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4079, 4896, 8158, 12237, 16316, 24474, 32632, 36711, 48948, 65264, 69343, 73422, 97896, 130528, 138686, 146844, 195792, 208029, 277372, 293688, 391584, 416058, 554744, 587376, 624087, 832116, 1109488, 1174752, 1248174, 1664232, 2218976, 2496348, 3328464, 4992696, 6656928, 9985392, 19970784]

約数ペア:

[(1, 19970784), (2, 9985392), (3, 6656928), (4, 4992696), (6, 3328464), (8, 2496348), (9, 2218976), (12, 1664232), (16, 1248174), (17, 1174752), (18, 1109488), (24, 832116), (32, 624087), (34, 587376), (36, 554744), (48, 416058), (51, 391584), (68, 293688), (72, 277372), (96, 208029), (102, 195792), (136, 146844), (144, 138686), (153, 130528), (204, 97896), (272, 73422), (288, 69343), (306, 65264), (408, 48948), (544, 36711), (612, 32632), (816, 24474), (1224, 16316), (1632, 12237), (2448, 8158), (4079, 4896)]