19646432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 22583728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 569, 664, 1079, 1138, 1328, 2158, 2276, 2656, 4316, 4552, 7397, 8632, 9104, 14794, 17264, 18208, 29588, 34528, 47227, 59176, 94454, 118352, 188908, 236704, 377816, 613951, 755632, 1227902, 1511264, 2455804, 4911608, 9823216, 19646432]

約数ペア:

[(1, 19646432), (2, 9823216), (4, 4911608), (8, 2455804), (13, 1511264), (16, 1227902), (26, 755632), (32, 613951), (52, 377816), (83, 236704), (104, 188908), (166, 118352), (208, 94454), (332, 59176), (416, 47227), (569, 34528), (664, 29588), (1079, 18208), (1138, 17264), (1328, 14794), (2158, 9104), (2276, 8632), (2656, 7397), (4316, 4552)]