19718232

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 34195368

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1559, 1581, 2108, 3118, 3162, 4216, 4677, 6236, 6324, 9354, 12472, 12648, 18708, 26503, 37416, 48329, 53006, 79509, 96658, 106012, 144987, 159018, 193316, 212024, 289974, 318036, 386632, 579948, 636072, 821593, 1159896, 1643186, 2464779, 3286372, 4929558, 6572744, 9859116, 19718232]

約数ペア:

[(1, 19718232), (2, 9859116), (3, 6572744), (4, 4929558), (6, 3286372), (8, 2464779), (12, 1643186), (17, 1159896), (24, 821593), (31, 636072), (34, 579948), (51, 386632), (62, 318036), (68, 289974), (93, 212024), (102, 193316), (124, 159018), (136, 144987), (186, 106012), (204, 96658), (248, 79509), (372, 53006), (408, 48329), (527, 37416), (744, 26503), (1054, 18708), (1559, 12648), (1581, 12472), (2108, 9354), (3118, 6324), (3162, 6236), (4216, 4677)]