20184536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 41365800

約数和(自身を除く): 21181264

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 97, 148, 152, 194, 296, 388, 703, 776, 1369, 1406, 1843, 2738, 2812, 3589, 3686, 5476, 5624, 7178, 7372, 10952, 14356, 14744, 26011, 28712, 52022, 68191, 104044, 132793, 136382, 208088, 265586, 272764, 531172, 545528, 1062344, 2523067, 5046134, 10092268, 20184536]

約数ペア:

[(1, 20184536), (2, 10092268), (4, 5046134), (8, 2523067), (19, 1062344), (37, 545528), (38, 531172), (74, 272764), (76, 265586), (97, 208088), (148, 136382), (152, 132793), (194, 104044), (296, 68191), (388, 52022), (703, 28712), (776, 26011), (1369, 14744), (1406, 14356), (1843, 10952), (2738, 7372), (2812, 7178), (3589, 5624), (3686, 5476)]