19977948

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1637}}^1$

素因数の和:1763

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 32307012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 1637, 2034, 3051, 3274, 4068, 4911, 6102, 6548, 9822, 12204, 14733, 19644, 29466, 44199, 58932, 88398, 176796, 184981, 369962, 554943, 739924, 1109886, 1664829, 2219772, 3329658, 4994487, 6659316, 9988974, 19977948]

約数ペア:

[(1, 19977948), (2, 9988974), (3, 6659316), (4, 4994487), (6, 3329658), (9, 2219772), (12, 1664829), (18, 1109886), (27, 739924), (36, 554943), (54, 369962), (108, 184981), (113, 176796), (226, 88398), (339, 58932), (452, 44199), (678, 29466), (1017, 19644), (1356, 14733), (1637, 12204), (2034, 9822), (3051, 6548), (3274, 6102), (4068, 4911)]