18980096

素因数分解:

$2^8\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 38214624

約数和(自身を除く): 19234528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 491, 604, 982, 1208, 1964, 2416, 3928, 4832, 7856, 9664, 15712, 19328, 31424, 38656, 62848, 74141, 125696, 148282, 296564, 593128, 1186256, 2372512, 4745024, 9490048, 18980096]

約数ペア:

[(1, 18980096), (2, 9490048), (4, 4745024), (8, 2372512), (16, 1186256), (32, 593128), (64, 296564), (128, 148282), (151, 125696), (256, 74141), (302, 62848), (491, 38656), (604, 31424), (982, 19328), (1208, 15712), (1964, 9664), (2416, 7856), (3928, 4832)]