20163861910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{19759}}^1$

素因数の和:19957

約数の個数: 64

約数和(自身を含む): 39437798400

約数和(自身を除く): 19273936490

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 131, 190, 205, 262, 410, 655, 779, 1310, 1558, 2489, 3895, 4978, 5371, 7790, 10742, 12445, 19759, 24890, 26855, 39518, 53710, 98795, 102049, 197590, 204098, 375421, 510245, 750842, 810119, 1020490, 1620238, 1877105, 2588429, 3754210, 4050595, 5176858, 8101190, 12942145, 15392261, 25884290, 30784522, 49180151, 76961305, 98360302, 106125589, 153922610, 212251178, 245900755, 491801510, 530627945, 1061255890, 2016386191, 4032772382, 10081930955, 20163861910]

約数ペア:

[(1, 20163861910), (2, 10081930955), (5, 4032772382), (10, 2016386191), (19, 1061255890), (38, 530627945), (41, 491801510), (82, 245900755), (95, 212251178), (131, 153922610), (190, 106125589), (205, 98360302), (262, 76961305), (410, 49180151), (655, 30784522), (779, 25884290), (1310, 15392261), (1558, 12942145), (2489, 8101190), (3895, 5176858), (4978, 4050595), (5371, 3754210), (7790, 2588429), (10742, 1877105), (12445, 1620238), (19759, 1020490), (24890, 810119), (26855, 750842), (39518, 510245), (53710, 375421), (98795, 204098), (102049, 197590)]