19617424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 40890240

約数和(自身を除く): 21272816

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1373, 1786, 2746, 3572, 5492, 7144, 10984, 14288, 21968, 26087, 52174, 64531, 104348, 129062, 208696, 258124, 417392, 516248, 1032496, 1226089, 2452178, 4904356, 9808712, 19617424]

約数ペア:

[(1, 19617424), (2, 9808712), (4, 4904356), (8, 2452178), (16, 1226089), (19, 1032496), (38, 516248), (47, 417392), (76, 258124), (94, 208696), (152, 129062), (188, 104348), (304, 64531), (376, 52174), (752, 26087), (893, 21968), (1373, 14288), (1786, 10984), (2746, 7144), (3572, 5492)]