19153156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 38041920

約数和(自身を除く): 18888764

約数列:

[1, 2, 4, 11, 22, 44, 67, 73, 89, 134, 146, 178, 268, 292, 356, 737, 803, 979, 1474, 1606, 1958, 2948, 3212, 3916, 4891, 5963, 6497, 9782, 11926, 12994, 19564, 23852, 25988, 53801, 65593, 71467, 107602, 131186, 142934, 215204, 262372, 285868, 435299, 870598, 1741196, 4788289, 9576578, 19153156]

約数ペア:

[(1, 19153156), (2, 9576578), (4, 4788289), (11, 1741196), (22, 870598), (44, 435299), (67, 285868), (73, 262372), (89, 215204), (134, 142934), (146, 131186), (178, 107602), (268, 71467), (292, 65593), (356, 53801), (737, 25988), (803, 23852), (979, 19564), (1474, 12994), (1606, 11926), (1958, 9782), (2948, 6497), (3212, 5963), (3916, 4891)]