18555780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 56165760

約数和(自身を除く): 37609980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 397, 410, 492, 570, 615, 779, 794, 820, 1140, 1191, 1230, 1558, 1588, 1985, 2337, 2382, 2460, 3116, 3895, 3970, 4674, 4764, 5955, 7543, 7790, 7940, 9348, 11685, 11910, 15086, 15580, 16277, 22629, 23370, 23820, 30172, 32554, 37715, 45258, 46740, 48831, 65108, 75430, 81385, 90516, 97662, 113145, 150860, 162770, 195324, 226290, 244155, 309263, 325540, 452580, 488310, 618526, 927789, 976620, 1237052, 1546315, 1855578, 3092630, 3711156, 4638945, 6185260, 9277890, 18555780]

約数ペア:

[(1, 18555780), (2, 9277890), (3, 6185260), (4, 4638945), (5, 3711156), (6, 3092630), (10, 1855578), (12, 1546315), (15, 1237052), (19, 976620), (20, 927789), (30, 618526), (38, 488310), (41, 452580), (57, 325540), (60, 309263), (76, 244155), (82, 226290), (95, 195324), (114, 162770), (123, 150860), (164, 113145), (190, 97662), (205, 90516), (228, 81385), (246, 75430), (285, 65108), (380, 48831), (397, 46740), (410, 45258), (492, 37715), (570, 32554), (615, 30172), (779, 23820), (794, 23370), (820, 22629), (1140, 16277), (1191, 15580), (1230, 15086), (1558, 11910), (1588, 11685), (1985, 9348), (2337, 7940), (2382, 7790), (2460, 7543), (3116, 5955), (3895, 4764), (3970, 4674)]