19513428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 50944320

約数和(自身を除く): 31430892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 121, 132, 151, 178, 242, 267, 302, 356, 363, 453, 484, 534, 604, 726, 906, 979, 1068, 1452, 1661, 1812, 1958, 2937, 3322, 3916, 4983, 5874, 6644, 9966, 10769, 11748, 13439, 18271, 19932, 21538, 26878, 32307, 36542, 40317, 43076, 53756, 54813, 64614, 73084, 80634, 109626, 129228, 147829, 161268, 219252, 295658, 443487, 591316, 886974, 1626119, 1773948, 3252238, 4878357, 6504476, 9756714, 19513428]

約数ペア:

[(1, 19513428), (2, 9756714), (3, 6504476), (4, 4878357), (6, 3252238), (11, 1773948), (12, 1626119), (22, 886974), (33, 591316), (44, 443487), (66, 295658), (89, 219252), (121, 161268), (132, 147829), (151, 129228), (178, 109626), (242, 80634), (267, 73084), (302, 64614), (356, 54813), (363, 53756), (453, 43076), (484, 40317), (534, 36542), (604, 32307), (726, 26878), (906, 21538), (979, 19932), (1068, 18271), (1452, 13439), (1661, 11748), (1812, 10769), (1958, 9966), (2937, 6644), (3322, 5874), (3916, 4983)]