18688400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2496

約数の個数: 60

約数和(自身を含む): 47281200

約数和(自身を除く): 28592800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2459, 3800, 4918, 7600, 9836, 12295, 19672, 24590, 39344, 46721, 49180, 61475, 93442, 98360, 122950, 186884, 196720, 233605, 245900, 373768, 467210, 491800, 747536, 934420, 983600, 1168025, 1868840, 2336050, 3737680, 4672100, 9344200, 18688400]

約数ペア:

[(1, 18688400), (2, 9344200), (4, 4672100), (5, 3737680), (8, 2336050), (10, 1868840), (16, 1168025), (19, 983600), (20, 934420), (25, 747536), (38, 491800), (40, 467210), (50, 373768), (76, 245900), (80, 233605), (95, 196720), (100, 186884), (152, 122950), (190, 98360), (200, 93442), (304, 61475), (380, 49180), (400, 46721), (475, 39344), (760, 24590), (950, 19672), (1520, 12295), (1900, 9836), (2459, 7600), (3800, 4918)]