19229691728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{17029}}^1$

素因数の和:17200

約数の個数: 80

約数和(自身を含む): 41241891600

約数和(自身を除く): 22012199872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 89, 104, 122, 178, 208, 244, 356, 488, 712, 793, 976, 1157, 1424, 1586, 2314, 3172, 4628, 5429, 6344, 9256, 10858, 12688, 17029, 18512, 21716, 34058, 43432, 68116, 70577, 86864, 136232, 141154, 221377, 272464, 282308, 442754, 564616, 885508, 1038769, 1129232, 1515581, 1771016, 2077538, 3031162, 3542032, 4155076, 6062324, 8310152, 12124648, 13503997, 16620304, 19702553, 24249296, 27007994, 39405106, 54015988, 78810212, 92450441, 108031976, 157620424, 184900882, 216063952, 315240848, 369801764, 739603528, 1201855733, 1479207056, 2403711466, 4807422932, 9614845864, 19229691728]

約数ペア:

[(1, 19229691728), (2, 9614845864), (4, 4807422932), (8, 2403711466), (13, 1479207056), (16, 1201855733), (26, 739603528), (52, 369801764), (61, 315240848), (89, 216063952), (104, 184900882), (122, 157620424), (178, 108031976), (208, 92450441), (244, 78810212), (356, 54015988), (488, 39405106), (712, 27007994), (793, 24249296), (976, 19702553), (1157, 16620304), (1424, 13503997), (1586, 12124648), (2314, 8310152), (3172, 6062324), (4628, 4155076), (5429, 3542032), (6344, 3031162), (9256, 2077538), (10858, 1771016), (12688, 1515581), (17029, 1129232), (18512, 1038769), (21716, 885508), (34058, 564616), (43432, 442754), (68116, 282308), (70577, 272464), (86864, 221377), (136232, 141154)]