18957150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 51551760

約数和(自身を除く): 32594610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 103, 150, 206, 225, 309, 409, 450, 515, 618, 818, 927, 1030, 1227, 1545, 1854, 2045, 2454, 2575, 3090, 3681, 4090, 4635, 5150, 6135, 7362, 7725, 9270, 10225, 12270, 15450, 18405, 20450, 23175, 30675, 36810, 42127, 46350, 61350, 84254, 92025, 126381, 184050, 210635, 252762, 379143, 421270, 631905, 758286, 1053175, 1263810, 1895715, 2106350, 3159525, 3791430, 6319050, 9478575, 18957150]

約数ペア:

[(1, 18957150), (2, 9478575), (3, 6319050), (5, 3791430), (6, 3159525), (9, 2106350), (10, 1895715), (15, 1263810), (18, 1053175), (25, 758286), (30, 631905), (45, 421270), (50, 379143), (75, 252762), (90, 210635), (103, 184050), (150, 126381), (206, 92025), (225, 84254), (309, 61350), (409, 46350), (450, 42127), (515, 36810), (618, 30675), (818, 23175), (927, 20450), (1030, 18405), (1227, 15450), (1545, 12270), (1854, 10225), (2045, 9270), (2454, 7725), (2575, 7362), (3090, 6135), (3681, 5150), (4090, 4635)]