19746530

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 37001664

約数和(自身を除く): 17255134

約数列:

[1, 2, 5, 10, 37, 74, 83, 166, 185, 370, 415, 643, 830, 1286, 3071, 3215, 6142, 6430, 15355, 23791, 30710, 47582, 53369, 106738, 118955, 237910, 266845, 533690, 1974653, 3949306, 9873265, 19746530]

約数ペア:

[(1, 19746530), (2, 9873265), (5, 3949306), (10, 1974653), (37, 533690), (74, 266845), (83, 237910), (166, 118955), (185, 106738), (370, 53369), (415, 47582), (643, 30710), (830, 23791), (1286, 15355), (3071, 6430), (3215, 6142)]