19766502

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 50666616

約数和(自身を除く): 30900114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 307, 438, 441, 511, 614, 657, 882, 921, 1022, 1314, 1533, 1842, 2149, 2763, 3066, 3577, 4298, 4599, 5526, 6447, 7154, 9198, 10731, 12894, 15043, 19341, 21462, 22411, 30086, 32193, 38682, 44822, 45129, 64386, 67233, 90258, 134466, 135387, 156877, 201699, 270774, 313754, 403398, 470631, 941262, 1098139, 1411893, 2196278, 2823786, 3294417, 6588834, 9883251, 19766502]

約数ペア:

[(1, 19766502), (2, 9883251), (3, 6588834), (6, 3294417), (7, 2823786), (9, 2196278), (14, 1411893), (18, 1098139), (21, 941262), (42, 470631), (49, 403398), (63, 313754), (73, 270774), (98, 201699), (126, 156877), (146, 135387), (147, 134466), (219, 90258), (294, 67233), (307, 64386), (438, 45129), (441, 44822), (511, 38682), (614, 32193), (657, 30086), (882, 22411), (921, 21462), (1022, 19341), (1314, 15043), (1533, 12894), (1842, 10731), (2149, 9198), (2763, 7154), (3066, 6447), (3577, 5526), (4298, 4599)]