1916681620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{15331}}^1$

素因数の和:15413

約数の個数: 96

約数和(自身を含む): 4945489920

約数和(自身を除く): 3028808300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 133, 140, 188, 190, 235, 266, 329, 380, 470, 532, 658, 665, 893, 940, 1316, 1330, 1645, 1786, 2660, 3290, 3572, 4465, 6251, 6580, 8930, 12502, 15331, 17860, 25004, 30662, 31255, 61324, 62510, 76655, 107317, 125020, 153310, 214634, 291289, 306620, 429268, 536585, 582578, 720557, 1073170, 1165156, 1441114, 1456445, 2039023, 2146340, 2882228, 2912890, 3602785, 4078046, 5043899, 5825780, 7205570, 8156092, 10087798, 10195115, 13690583, 14411140, 20175596, 20390230, 25219495, 27381166, 40780460, 50438990, 54762332, 68452915, 95834081, 100877980, 136905830, 191668162, 273811660, 383336324, 479170405, 958340810, 1916681620]

約数ペア:

[(1, 1916681620), (2, 958340810), (4, 479170405), (5, 383336324), (7, 273811660), (10, 191668162), (14, 136905830), (19, 100877980), (20, 95834081), (28, 68452915), (35, 54762332), (38, 50438990), (47, 40780460), (70, 27381166), (76, 25219495), (94, 20390230), (95, 20175596), (133, 14411140), (140, 13690583), (188, 10195115), (190, 10087798), (235, 8156092), (266, 7205570), (329, 5825780), (380, 5043899), (470, 4078046), (532, 3602785), (658, 2912890), (665, 2882228), (893, 2146340), (940, 2039023), (1316, 1456445), (1330, 1441114), (1645, 1165156), (1786, 1073170), (2660, 720557), (3290, 582578), (3572, 536585), (4465, 429268), (6251, 306620), (6580, 291289), (8930, 214634), (12502, 153310), (15331, 125020), (17860, 107317), (25004, 76655), (30662, 62510), (31255, 61324)]