19151820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1033}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 58714656

約数和(自身を除く): 39562836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1033, 1236, 1545, 1854, 2060, 2066, 3090, 3099, 3708, 4132, 4635, 5165, 6180, 6198, 9270, 9297, 10330, 12396, 15495, 18540, 18594, 20660, 30990, 37188, 46485, 61980, 92970, 106399, 185940, 212798, 319197, 425596, 531995, 638394, 957591, 1063990, 1276788, 1595985, 1915182, 2127980, 3191970, 3830364, 4787955, 6383940, 9575910, 19151820]

約数ペア:

[(1, 19151820), (2, 9575910), (3, 6383940), (4, 4787955), (5, 3830364), (6, 3191970), (9, 2127980), (10, 1915182), (12, 1595985), (15, 1276788), (18, 1063990), (20, 957591), (30, 638394), (36, 531995), (45, 425596), (60, 319197), (90, 212798), (103, 185940), (180, 106399), (206, 92970), (309, 61980), (412, 46485), (515, 37188), (618, 30990), (927, 20660), (1030, 18594), (1033, 18540), (1236, 15495), (1545, 12396), (1854, 10330), (2060, 9297), (2066, 9270), (3090, 6198), (3099, 6180), (3708, 5165), (4132, 4635)]