18439416

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{5449}}^1$

素因数の和:5508

約数の個数: 48

約数和(自身を含む): 51012000

約数和(自身を除く): 32572584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 5449, 10898, 16347, 21796, 32694, 43592, 49041, 65388, 98082, 130776, 196164, 256103, 392328, 512206, 768309, 1024412, 1536618, 2048824, 2304927, 3073236, 4609854, 6146472, 9219708, 18439416]

約数ペア:

[(1, 18439416), (2, 9219708), (3, 6146472), (4, 4609854), (6, 3073236), (8, 2304927), (9, 2048824), (12, 1536618), (18, 1024412), (24, 768309), (36, 512206), (47, 392328), (72, 256103), (94, 196164), (141, 130776), (188, 98082), (282, 65388), (376, 49041), (423, 43592), (564, 32694), (846, 21796), (1128, 16347), (1692, 10898), (3384, 5449)]