19408088

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24137512

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 79, 82, 107, 158, 164, 214, 287, 316, 328, 428, 553, 574, 632, 749, 856, 1106, 1148, 1498, 2212, 2296, 2996, 3239, 4387, 4424, 5992, 6478, 8453, 8774, 12956, 16906, 17548, 22673, 25912, 30709, 33812, 35096, 45346, 59171, 61418, 67624, 90692, 118342, 122836, 181384, 236684, 245672, 346573, 473368, 693146, 1386292, 2426011, 2772584, 4852022, 9704044, 19408088]

約数ペア:

[(1, 19408088), (2, 9704044), (4, 4852022), (7, 2772584), (8, 2426011), (14, 1386292), (28, 693146), (41, 473368), (56, 346573), (79, 245672), (82, 236684), (107, 181384), (158, 122836), (164, 118342), (214, 90692), (287, 67624), (316, 61418), (328, 59171), (428, 45346), (553, 35096), (574, 33812), (632, 30709), (749, 25912), (856, 22673), (1106, 17548), (1148, 16906), (1498, 12956), (2212, 8774), (2296, 8453), (2996, 6478), (3239, 5992), (4387, 4424)]