18806770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 37177920

約数和(自身を除く): 18371150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 103, 155, 190, 206, 310, 515, 589, 961, 1030, 1178, 1922, 1957, 2945, 3193, 3914, 4805, 5890, 6386, 9610, 9785, 15965, 18259, 19570, 31930, 36518, 60667, 91295, 98983, 121334, 182590, 197966, 303335, 494915, 606670, 989830, 1880677, 3761354, 9403385, 18806770]

約数ペア:

[(1, 18806770), (2, 9403385), (5, 3761354), (10, 1880677), (19, 989830), (31, 606670), (38, 494915), (62, 303335), (95, 197966), (103, 182590), (155, 121334), (190, 98983), (206, 91295), (310, 60667), (515, 36518), (589, 31930), (961, 19570), (1030, 18259), (1178, 15965), (1922, 9785), (1957, 9610), (2945, 6386), (3193, 5890), (3914, 4805)]