19243952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13245

約数の個数: 40

約数和(自身を含む): 45892896

約数和(自身を除く): 26648944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13217, 26434, 52868, 92519, 105736, 171821, 185038, 211472, 343642, 370076, 687284, 740152, 1202747, 1374568, 1480304, 2405494, 2749136, 4810988, 9621976, 19243952]

約数ペア:

[(1, 19243952), (2, 9621976), (4, 4810988), (7, 2749136), (8, 2405494), (13, 1480304), (14, 1374568), (16, 1202747), (26, 740152), (28, 687284), (52, 370076), (56, 343642), (91, 211472), (104, 185038), (112, 171821), (182, 105736), (208, 92519), (364, 52868), (728, 26434), (1456, 13217)]