19273460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 42119616

約数和(自身を除く): 22846156

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 307, 365, 430, 614, 730, 860, 1228, 1460, 1535, 3070, 3139, 6140, 6278, 12556, 13201, 15695, 22411, 26402, 31390, 44822, 52804, 62780, 66005, 89644, 112055, 132010, 224110, 264020, 448220, 963673, 1927346, 3854692, 4818365, 9636730, 19273460]

約数ペア:

[(1, 19273460), (2, 9636730), (4, 4818365), (5, 3854692), (10, 1927346), (20, 963673), (43, 448220), (73, 264020), (86, 224110), (146, 132010), (172, 112055), (215, 89644), (292, 66005), (307, 62780), (365, 52804), (430, 44822), (614, 31390), (730, 26402), (860, 22411), (1228, 15695), (1460, 13201), (1535, 12556), (3070, 6278), (3139, 6140)]