19701584

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3319}}^1$

素因数の和:3387

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 24759856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3319, 5936, 6638, 13276, 23233, 26552, 46466, 53104, 92932, 175907, 185864, 351814, 371728, 703628, 1231349, 1407256, 2462698, 2814512, 4925396, 9850792, 19701584]

約数ペア:

[(1, 19701584), (2, 9850792), (4, 4925396), (7, 2814512), (8, 2462698), (14, 1407256), (16, 1231349), (28, 703628), (53, 371728), (56, 351814), (106, 185864), (112, 175907), (212, 92932), (371, 53104), (424, 46466), (742, 26552), (848, 23233), (1484, 13276), (2968, 6638), (3319, 5936)]