2019011216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{38959}}^1$

素因数の和:39087

約数の個数: 40

約数和(自身を含む): 4058073600

約数和(自身を除く): 2039062384

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 3239, 6478, 12956, 25912, 38959, 51824, 77918, 155836, 311672, 623344, 1597319, 3077761, 3194638, 6155522, 6389276, 12311044, 12778552, 24622088, 25557104, 49244176, 126188201, 252376402, 504752804, 1009505608, 2019011216]

約数ペア:

[(1, 2019011216), (2, 1009505608), (4, 504752804), (8, 252376402), (16, 126188201), (41, 49244176), (79, 25557104), (82, 24622088), (158, 12778552), (164, 12311044), (316, 6389276), (328, 6155522), (632, 3194638), (656, 3077761), (1264, 1597319), (3239, 623344), (6478, 311672), (12956, 155836), (25912, 77918), (38959, 51824)]