19015580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 42430080

約数和(自身を除く): 23414500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 307, 326, 380, 614, 652, 815, 1228, 1535, 1630, 3070, 3097, 3260, 5833, 6140, 6194, 11666, 12388, 15485, 23332, 29165, 30970, 50041, 58330, 61940, 100082, 116660, 200164, 250205, 500410, 950779, 1000820, 1901558, 3803116, 4753895, 9507790, 19015580]

約数ペア:

[(1, 19015580), (2, 9507790), (4, 4753895), (5, 3803116), (10, 1901558), (19, 1000820), (20, 950779), (38, 500410), (76, 250205), (95, 200164), (163, 116660), (190, 100082), (307, 61940), (326, 58330), (380, 50041), (614, 30970), (652, 29165), (815, 23332), (1228, 15485), (1535, 12388), (1630, 11666), (3070, 6194), (3097, 6140), (3260, 5833)]