19208685890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{240379}}^1$

素因数の和:240578

約数の個数: 32

約数和(自身を含む): 35410858560

約数和(自身を除く): 16202172670

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 1310, 7991, 15982, 39955, 79910, 240379, 480758, 1201895, 2403790, 14663119, 29326238, 31489649, 62979298, 73315595, 146631190, 157448245, 314896490, 1920868589, 3841737178, 9604342945, 19208685890]

約数ペア:

[(1, 19208685890), (2, 9604342945), (5, 3841737178), (10, 1920868589), (61, 314896490), (122, 157448245), (131, 146631190), (262, 73315595), (305, 62979298), (610, 31489649), (655, 29326238), (1310, 14663119), (7991, 2403790), (15982, 1201895), (39955, 480758), (79910, 240379)]