19723722915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{31151}}^1$

素因数の和:31380

約数の個数: 64

約数和(自身を含む): 36174200832

約数和(自身を除く): 16450477917

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 191, 195, 221, 255, 573, 663, 955, 1105, 2483, 2865, 3247, 3315, 7449, 9741, 12415, 16235, 31151, 37245, 42211, 48705, 93453, 126633, 155755, 211055, 404963, 467265, 529567, 633165, 1214889, 1588701, 2024815, 2647835, 5949841, 6074445, 6884371, 7943505, 17849523, 20653113, 29749205, 34421855, 77347933, 89247615, 101147297, 103265565, 232043799, 303441891, 386739665, 505736485, 1160218995, 1314914861, 1517209455, 3944744583, 6574574305, 19723722915]

約数ペア:

[(1, 19723722915), (3, 6574574305), (5, 3944744583), (13, 1517209455), (15, 1314914861), (17, 1160218995), (39, 505736485), (51, 386739665), (65, 303441891), (85, 232043799), (191, 103265565), (195, 101147297), (221, 89247615), (255, 77347933), (573, 34421855), (663, 29749205), (955, 20653113), (1105, 17849523), (2483, 7943505), (2865, 6884371), (3247, 6074445), (3315, 5949841), (7449, 2647835), (9741, 2024815), (12415, 1588701), (16235, 1214889), (31151, 633165), (37245, 529567), (42211, 467265), (48705, 404963), (93453, 211055), (126633, 155755)]