19400128

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1661

約数の個数: 56

約数和(自身を含む): 44494704

約数和(自身を除く): 25094576

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1621, 2992, 3242, 5984, 6484, 11968, 12968, 17831, 25936, 27557, 35662, 51872, 55114, 71324, 103744, 110228, 142648, 220456, 285296, 303127, 440912, 570592, 606254, 881824, 1141184, 1212508, 1763648, 2425016, 4850032, 9700064, 19400128]

約数ペア:

[(1, 19400128), (2, 9700064), (4, 4850032), (8, 2425016), (11, 1763648), (16, 1212508), (17, 1141184), (22, 881824), (32, 606254), (34, 570592), (44, 440912), (64, 303127), (68, 285296), (88, 220456), (136, 142648), (176, 110228), (187, 103744), (272, 71324), (352, 55114), (374, 51872), (544, 35662), (704, 27557), (748, 25936), (1088, 17831), (1496, 12968), (1621, 11968), (2992, 6484), (3242, 5984)]