20184558496

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{897251}}^1$

素因数の和:897317

約数の個数: 48

約数和(自身を含む): 42960425760

約数和(自身を除く): 22775867264

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1406, 2812, 5624, 11248, 22496, 897251, 1794502, 3589004, 7178008, 14356016, 17047769, 28712032, 33198287, 34095538, 66396574, 68191076, 132793148, 136382152, 265586296, 272764304, 531172592, 545528608, 630767453, 1062345184, 1261534906, 2523069812, 5046139624, 10092279248, 20184558496]

約数ペア:

[(1, 20184558496), (2, 10092279248), (4, 5046139624), (8, 2523069812), (16, 1261534906), (19, 1062345184), (32, 630767453), (37, 545528608), (38, 531172592), (74, 272764304), (76, 265586296), (148, 136382152), (152, 132793148), (296, 68191076), (304, 66396574), (592, 34095538), (608, 33198287), (703, 28712032), (1184, 17047769), (1406, 14356016), (2812, 7178008), (5624, 3589004), (11248, 1794502), (22496, 897251)]