19871139790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{5783}}^1$

素因数の和:6025

約数の個数: 64

約数和(自身を含む): 37490314752

約数和(自身を除く): 17619174962

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 131, 215, 262, 305, 430, 610, 655, 1310, 2623, 5246, 5633, 5783, 7991, 11266, 11566, 13115, 15982, 26230, 28165, 28915, 39955, 56330, 57830, 79910, 248669, 343613, 352763, 497338, 687226, 705526, 757573, 1243345, 1515146, 1718065, 1763815, 2486690, 3436130, 3527630, 3787865, 7575730, 15168809, 30337618, 32575639, 46211953, 65151278, 75844045, 92423906, 151688090, 162878195, 231059765, 325756390, 462119530, 1987113979, 3974227958, 9935569895, 19871139790]

約数ペア:

[(1, 19871139790), (2, 9935569895), (5, 3974227958), (10, 1987113979), (43, 462119530), (61, 325756390), (86, 231059765), (122, 162878195), (131, 151688090), (215, 92423906), (262, 75844045), (305, 65151278), (430, 46211953), (610, 32575639), (655, 30337618), (1310, 15168809), (2623, 7575730), (5246, 3787865), (5633, 3527630), (5783, 3436130), (7991, 2486690), (11266, 1763815), (11566, 1718065), (13115, 1515146), (15982, 1243345), (26230, 757573), (28165, 705526), (28915, 687226), (39955, 497338), (56330, 352763), (57830, 343613), (79910, 248669)]