19133860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 41469120

約数和(自身を除く): 22335260

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 131, 134, 218, 262, 268, 335, 436, 524, 545, 655, 670, 1090, 1310, 1340, 2180, 2620, 7303, 8777, 14279, 14606, 17554, 28558, 29212, 35108, 36515, 43885, 57116, 71395, 73030, 87770, 142790, 146060, 175540, 285580, 956693, 1913386, 3826772, 4783465, 9566930, 19133860]

約数ペア:

[(1, 19133860), (2, 9566930), (4, 4783465), (5, 3826772), (10, 1913386), (20, 956693), (67, 285580), (109, 175540), (131, 146060), (134, 142790), (218, 87770), (262, 73030), (268, 71395), (335, 57116), (436, 43885), (524, 36515), (545, 35108), (655, 29212), (670, 28558), (1090, 17554), (1310, 14606), (1340, 14279), (2180, 8777), (2620, 7303)]