19923520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2747

約数の個数: 56

約数和(自身を含む): 49523904

約数和(自身を除く): 29600384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2707, 3680, 5414, 7360, 10828, 13535, 21656, 27070, 43312, 54140, 62261, 86624, 108280, 124522, 173248, 216560, 249044, 311305, 433120, 498088, 622610, 866240, 996176, 1245220, 1992352, 2490440, 3984704, 4980880, 9961760, 19923520]

約数ペア:

[(1, 19923520), (2, 9961760), (4, 4980880), (5, 3984704), (8, 2490440), (10, 1992352), (16, 1245220), (20, 996176), (23, 866240), (32, 622610), (40, 498088), (46, 433120), (64, 311305), (80, 249044), (92, 216560), (115, 173248), (160, 124522), (184, 108280), (230, 86624), (320, 62261), (368, 54140), (460, 43312), (736, 27070), (920, 21656), (1472, 13535), (1840, 10828), (2707, 7360), (3680, 5414)]