17981220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15773}}^1$

素因数の和:15804

約数の個数: 48

約数和(自身を含む): 53000640

約数和(自身を除く): 35019420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 15773, 31546, 47319, 63092, 78865, 94638, 157730, 189276, 236595, 299687, 315460, 473190, 599374, 899061, 946380, 1198748, 1498435, 1798122, 2996870, 3596244, 4495305, 5993740, 8990610, 17981220]

約数ペア:

[(1, 17981220), (2, 8990610), (3, 5993740), (4, 4495305), (5, 3596244), (6, 2996870), (10, 1798122), (12, 1498435), (15, 1198748), (19, 946380), (20, 899061), (30, 599374), (38, 473190), (57, 315460), (60, 299687), (76, 236595), (95, 189276), (114, 157730), (190, 94638), (228, 78865), (285, 63092), (380, 47319), (570, 31546), (1140, 15773)]