19004528

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 38153808

約数和(自身を除く): 19149280

約数列:

[1, 2, 4, 8, 16, 53, 73, 106, 146, 212, 292, 307, 424, 584, 614, 848, 1168, 1228, 2456, 3869, 4912, 7738, 15476, 16271, 22411, 30952, 32542, 44822, 61904, 65084, 89644, 130168, 179288, 260336, 358576, 1187783, 2375566, 4751132, 9502264, 19004528]

約数ペア:

[(1, 19004528), (2, 9502264), (4, 4751132), (8, 2375566), (16, 1187783), (53, 358576), (73, 260336), (106, 179288), (146, 130168), (212, 89644), (292, 65084), (307, 61904), (424, 44822), (584, 32542), (614, 30952), (848, 22411), (1168, 16271), (1228, 15476), (2456, 7738), (3869, 4912)]