19310330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 37875600

約数和(自身を除く): 18565270

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1669, 2314, 3338, 5785, 8345, 11570, 16690, 21697, 43394, 108485, 148541, 216970, 297082, 742705, 1485410, 1931033, 3862066, 9655165, 19310330]

約数ペア:

[(1, 19310330), (2, 9655165), (5, 3862066), (10, 1931033), (13, 1485410), (26, 742705), (65, 297082), (89, 216970), (130, 148541), (178, 108485), (445, 43394), (890, 21697), (1157, 16690), (1669, 11570), (2314, 8345), (3338, 5785)]