19939740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17491}}^1$

素因数の和:17522

約数の個数: 48

約数和(自身を含む): 58773120

約数和(自身を除く): 38833380

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, 17491, 34982, 52473, 69964, 87455, 104946, 174910, 209892, 262365, 332329, 349820, 524730, 664658, 996987, 1049460, 1329316, 1661645, 1993974, 3323290, 3987948, 4984935, 6646580, 9969870, 19939740]

約数ペア:

[(1, 19939740), (2, 9969870), (3, 6646580), (4, 4984935), (5, 3987948), (6, 3323290), (10, 1993974), (12, 1661645), (15, 1329316), (19, 1049460), (20, 996987), (30, 664658), (38, 524730), (57, 349820), (60, 332329), (76, 262365), (95, 209892), (114, 174910), (190, 104946), (228, 87455), (285, 69964), (380, 52473), (570, 34982), (1140, 17491)]