19520228

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 43972992

約数和(自身を除く): 24452764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 163, 182, 188, 196, 326, 329, 364, 611, 637, 652, 658, 1141, 1222, 1274, 1316, 2119, 2282, 2303, 2444, 2548, 4238, 4277, 4564, 4606, 7661, 7987, 8476, 8554, 9212, 14833, 15322, 15974, 17108, 29666, 29939, 30644, 31948, 53627, 59332, 59878, 99593, 103831, 107254, 119756, 199186, 207662, 214508, 375389, 398372, 415324, 697151, 750778, 1394302, 1501556, 2788604, 4880057, 9760114, 19520228]

約数ペア:

[(1, 19520228), (2, 9760114), (4, 4880057), (7, 2788604), (13, 1501556), (14, 1394302), (26, 750778), (28, 697151), (47, 415324), (49, 398372), (52, 375389), (91, 214508), (94, 207662), (98, 199186), (163, 119756), (182, 107254), (188, 103831), (196, 99593), (326, 59878), (329, 59332), (364, 53627), (611, 31948), (637, 30644), (652, 29939), (658, 29666), (1141, 17108), (1222, 15974), (1274, 15322), (1316, 14833), (2119, 9212), (2282, 8554), (2303, 8476), (2444, 7987), (2548, 7661), (4238, 4606), (4277, 4564)]