19742032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 40825512

約数和(自身を除く): 21083480

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 181, 272, 362, 401, 724, 802, 1448, 1604, 2896, 3077, 3208, 6154, 6416, 6817, 12308, 13634, 24616, 27268, 49232, 54536, 72581, 109072, 145162, 290324, 580648, 1161296, 1233877, 2467754, 4935508, 9871016, 19742032]

約数ペア:

[(1, 19742032), (2, 9871016), (4, 4935508), (8, 2467754), (16, 1233877), (17, 1161296), (34, 580648), (68, 290324), (136, 145162), (181, 109072), (272, 72581), (362, 54536), (401, 49232), (724, 27268), (802, 24616), (1448, 13634), (1604, 12308), (2896, 6817), (3077, 6416), (3208, 6154)]