18656670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29243490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 426, 461, 570, 710, 922, 1065, 1349, 1383, 2130, 2305, 2698, 2766, 4047, 4610, 6745, 6915, 8094, 8759, 13490, 13830, 17518, 20235, 26277, 32731, 40470, 43795, 52554, 65462, 87590, 98193, 131385, 163655, 196386, 262770, 327310, 490965, 621889, 981930, 1243778, 1865667, 3109445, 3731334, 6218890, 9328335, 18656670]

約数ペア:

[(1, 18656670), (2, 9328335), (3, 6218890), (5, 3731334), (6, 3109445), (10, 1865667), (15, 1243778), (19, 981930), (30, 621889), (38, 490965), (57, 327310), (71, 262770), (95, 196386), (114, 163655), (142, 131385), (190, 98193), (213, 87590), (285, 65462), (355, 52554), (426, 43795), (461, 40470), (570, 32731), (710, 26277), (922, 20235), (1065, 17518), (1349, 13830), (1383, 13490), (2130, 8759), (2305, 8094), (2698, 6915), (2766, 6745), (4047, 4610)]