19754080

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 46935504

約数和(自身を除く): 27181424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 373, 662, 746, 1324, 1492, 1655, 1865, 2648, 2984, 3310, 3730, 5296, 5968, 6620, 7460, 10592, 11936, 13240, 14920, 26480, 29840, 52960, 59680, 123463, 246926, 493852, 617315, 987704, 1234630, 1975408, 2469260, 3950816, 4938520, 9877040, 19754080]

約数ペア:

[(1, 19754080), (2, 9877040), (4, 4938520), (5, 3950816), (8, 2469260), (10, 1975408), (16, 1234630), (20, 987704), (32, 617315), (40, 493852), (80, 246926), (160, 123463), (331, 59680), (373, 52960), (662, 29840), (746, 26480), (1324, 14920), (1492, 13240), (1655, 11936), (1865, 10592), (2648, 7460), (2984, 6620), (3310, 5968), (3730, 5296)]