19115427864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{136453}}^1$

素因数の和:136924

約数の個数: 64

約数和(自身を含む): 51579612000

約数和(自身を除く): 32464184136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 449, 898, 1347, 1796, 2694, 3592, 5388, 5837, 10776, 11674, 17511, 23348, 35022, 46696, 70044, 136453, 140088, 272906, 409359, 545812, 818718, 1091624, 1637436, 1773889, 3274872, 3547778, 5321667, 7095556, 10643334, 14191112, 21286668, 42573336, 61267397, 122534794, 183802191, 245069588, 367604382, 490139176, 735208764, 796476161, 1470417528, 1592952322, 2389428483, 3185904644, 4778856966, 6371809288, 9557713932, 19115427864]

約数ペア:

[(1, 19115427864), (2, 9557713932), (3, 6371809288), (4, 4778856966), (6, 3185904644), (8, 2389428483), (12, 1592952322), (13, 1470417528), (24, 796476161), (26, 735208764), (39, 490139176), (52, 367604382), (78, 245069588), (104, 183802191), (156, 122534794), (312, 61267397), (449, 42573336), (898, 21286668), (1347, 14191112), (1796, 10643334), (2694, 7095556), (3592, 5321667), (5388, 3547778), (5837, 3274872), (10776, 1773889), (11674, 1637436), (17511, 1091624), (23348, 818718), (35022, 545812), (46696, 409359), (70044, 272906), (136453, 140088)]