18623728

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 40

約数和(自身を含む): 37479248

約数和(自身を除く): 18855520

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 193, 296, 326, 386, 592, 652, 772, 1304, 1544, 2608, 3088, 6031, 7141, 12062, 14282, 24124, 28564, 31459, 48248, 57128, 62918, 96496, 114256, 125836, 251672, 503344, 1163983, 2327966, 4655932, 9311864, 18623728]

約数ペア:

[(1, 18623728), (2, 9311864), (4, 4655932), (8, 2327966), (16, 1163983), (37, 503344), (74, 251672), (148, 125836), (163, 114256), (193, 96496), (296, 62918), (326, 57128), (386, 48248), (592, 31459), (652, 28564), (772, 24124), (1304, 14282), (1544, 12062), (2608, 7141), (3088, 6031)]