19131430

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 35533440

約数和(自身を除く): 16402010

約数列:

[1, 2, 5, 10, 61, 79, 122, 158, 305, 395, 397, 610, 790, 794, 1985, 3970, 4819, 9638, 24095, 24217, 31363, 48190, 48434, 62726, 121085, 156815, 242170, 313630, 1913143, 3826286, 9565715, 19131430]

約数ペア:

[(1, 19131430), (2, 9565715), (5, 3826286), (10, 1913143), (61, 313630), (79, 242170), (122, 156815), (158, 121085), (305, 62726), (395, 48434), (397, 48190), (610, 31363), (790, 24217), (794, 24095), (1985, 9638), (3970, 4819)]