19690147178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{719}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 33477857280

約数和(自身を除く): 13787710102

約数列:

[1, 2, 13, 26, 31, 61, 62, 122, 403, 557, 719, 793, 806, 1114, 1438, 1586, 1891, 3782, 7241, 9347, 14482, 17267, 18694, 22289, 24583, 33977, 34534, 43859, 44578, 49166, 67954, 87718, 224471, 289757, 400483, 441701, 448942, 570167, 579514, 800966, 883402, 1053287, 1140334, 1359629, 2106574, 2719258, 5206279, 10412558, 12414973, 13692731, 17675177, 24429463, 24829946, 27385462, 35350354, 48858926, 161394649, 317583019, 322789298, 635166038, 757313353, 1514626706, 9845073589, 19690147178]

約数ペア:

[(1, 19690147178), (2, 9845073589), (13, 1514626706), (26, 757313353), (31, 635166038), (61, 322789298), (62, 317583019), (122, 161394649), (403, 48858926), (557, 35350354), (719, 27385462), (793, 24829946), (806, 24429463), (1114, 17675177), (1438, 13692731), (1586, 12414973), (1891, 10412558), (3782, 5206279), (7241, 2719258), (9347, 2106574), (14482, 1359629), (17267, 1140334), (18694, 1053287), (22289, 883402), (24583, 800966), (33977, 579514), (34534, 570167), (43859, 448942), (44578, 441701), (49166, 400483), (67954, 289757), (87718, 224471)]