19869870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 49699584

約数和(自身を除く): 29829714

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 73, 86, 129, 146, 211, 215, 219, 258, 365, 422, 430, 438, 633, 645, 730, 1055, 1095, 1266, 1290, 2110, 2190, 3139, 3165, 6278, 6330, 9073, 9417, 15403, 15695, 18146, 18834, 27219, 30806, 31390, 45365, 46209, 47085, 54438, 77015, 90730, 92418, 94170, 136095, 154030, 231045, 272190, 462090, 662329, 1324658, 1986987, 3311645, 3973974, 6623290, 9934935, 19869870]

約数ペア:

[(1, 19869870), (2, 9934935), (3, 6623290), (5, 3973974), (6, 3311645), (10, 1986987), (15, 1324658), (30, 662329), (43, 462090), (73, 272190), (86, 231045), (129, 154030), (146, 136095), (211, 94170), (215, 92418), (219, 90730), (258, 77015), (365, 54438), (422, 47085), (430, 46209), (438, 45365), (633, 31390), (645, 30806), (730, 27219), (1055, 18834), (1095, 18146), (1266, 15695), (1290, 15403), (2110, 9417), (2190, 9073), (3139, 6330), (3165, 6278)]