16519900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:191

約数の個数: 54

約数和(自身を含む): 37518432

約数和(自身を除く): 20998532

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 73, 100, 124, 146, 155, 292, 310, 365, 620, 730, 775, 1460, 1550, 1825, 2263, 3100, 3650, 4526, 5329, 7300, 9052, 10658, 11315, 21316, 22630, 26645, 45260, 53290, 56575, 106580, 113150, 133225, 165199, 226300, 266450, 330398, 532900, 660796, 825995, 1651990, 3303980, 4129975, 8259950, 16519900]

約数ペア:

[(1, 16519900), (2, 8259950), (4, 4129975), (5, 3303980), (10, 1651990), (20, 825995), (25, 660796), (31, 532900), (50, 330398), (62, 266450), (73, 226300), (100, 165199), (124, 133225), (146, 113150), (155, 106580), (292, 56575), (310, 53290), (365, 45260), (620, 26645), (730, 22630), (775, 21316), (1460, 11315), (1550, 10658), (1825, 9052), (2263, 7300), (3100, 5329), (3650, 4526)]