19156380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8629}}^1$

素因数の和:8678

約数の個数: 48

約数和(自身を含む): 55093920

約数和(自身を除く): 35937540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8629, 17258, 25887, 34516, 43145, 51774, 86290, 103548, 129435, 172580, 258870, 319273, 517740, 638546, 957819, 1277092, 1596365, 1915638, 3192730, 3831276, 4789095, 6385460, 9578190, 19156380]

約数ペア:

[(1, 19156380), (2, 9578190), (3, 6385460), (4, 4789095), (5, 3831276), (6, 3192730), (10, 1915638), (12, 1596365), (15, 1277092), (20, 957819), (30, 638546), (37, 517740), (60, 319273), (74, 258870), (111, 172580), (148, 129435), (185, 103548), (222, 86290), (370, 51774), (444, 43145), (555, 34516), (740, 25887), (1110, 17258), (2220, 8629)]