19500190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 37394784

約数和(自身を除く): 17894594

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 457, 502, 914, 1255, 2285, 2510, 4267, 4570, 7769, 8534, 15538, 21335, 38845, 42670, 77690, 114707, 229414, 573535, 1147070, 1950019, 3900038, 9750095, 19500190]

約数ペア:

[(1, 19500190), (2, 9750095), (5, 3900038), (10, 1950019), (17, 1147070), (34, 573535), (85, 229414), (170, 114707), (251, 77690), (457, 42670), (502, 38845), (914, 21335), (1255, 15538), (2285, 8534), (2510, 7769), (4267, 4570)]