16851438

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 37711440

約数和(自身を除く): 20860002

約数列:

[1, 2, 3, 6, 9, 18, 67, 89, 134, 157, 178, 201, 267, 314, 402, 471, 534, 603, 801, 942, 1206, 1413, 1602, 2826, 5963, 10519, 11926, 13973, 17889, 21038, 27946, 31557, 35778, 41919, 53667, 63114, 83838, 94671, 107334, 125757, 189342, 251514, 936191, 1872382, 2808573, 5617146, 8425719, 16851438]

約数ペア:

[(1, 16851438), (2, 8425719), (3, 5617146), (6, 2808573), (9, 1872382), (18, 936191), (67, 251514), (89, 189342), (134, 125757), (157, 107334), (178, 94671), (201, 83838), (267, 63114), (314, 53667), (402, 41919), (471, 35778), (534, 31557), (603, 27946), (801, 21038), (942, 17889), (1206, 13973), (1413, 11926), (1602, 10519), (2826, 5963)]