19601296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 60

約数和(自身を含む): 44930160

約数和(自身を除く): 25328864

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 659, 676, 1144, 1318, 1352, 1859, 2288, 2636, 2704, 3718, 5272, 7249, 7436, 8567, 10544, 14498, 14872, 17134, 28996, 29744, 34268, 57992, 68536, 94237, 111371, 115984, 137072, 188474, 222742, 376948, 445484, 753896, 890968, 1225081, 1507792, 1781936, 2450162, 4900324, 9800648, 19601296]

約数ペア:

[(1, 19601296), (2, 9800648), (4, 4900324), (8, 2450162), (11, 1781936), (13, 1507792), (16, 1225081), (22, 890968), (26, 753896), (44, 445484), (52, 376948), (88, 222742), (104, 188474), (143, 137072), (169, 115984), (176, 111371), (208, 94237), (286, 68536), (338, 57992), (572, 34268), (659, 29744), (676, 28996), (1144, 17134), (1318, 14872), (1352, 14498), (1859, 10544), (2288, 8567), (2636, 7436), (2704, 7249), (3718, 5272)]