19091240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 31228120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 1663, 2296, 2870, 3326, 5740, 6652, 8315, 11480, 11641, 13304, 16630, 23282, 33260, 46564, 58205, 66520, 68183, 93128, 116410, 136366, 232820, 272732, 340915, 465640, 477281, 545464, 681830, 954562, 1363660, 1909124, 2386405, 2727320, 3818248, 4772810, 9545620, 19091240]

約数ペア:

[(1, 19091240), (2, 9545620), (4, 4772810), (5, 3818248), (7, 2727320), (8, 2386405), (10, 1909124), (14, 1363660), (20, 954562), (28, 681830), (35, 545464), (40, 477281), (41, 465640), (56, 340915), (70, 272732), (82, 232820), (140, 136366), (164, 116410), (205, 93128), (280, 68183), (287, 66520), (328, 58205), (410, 46564), (574, 33260), (820, 23282), (1148, 16630), (1435, 13304), (1640, 11641), (1663, 11480), (2296, 8315), (2870, 6652), (3326, 5740)]