19995336

素因数分解:

$2^3\times 3^4\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 57063600

約数和(自身を除く): 37068264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 81, 108, 118, 162, 177, 216, 236, 324, 354, 472, 523, 531, 648, 708, 1046, 1062, 1416, 1569, 1593, 2092, 2124, 3138, 3186, 4184, 4248, 4707, 4779, 6276, 6372, 9414, 9558, 12552, 12744, 14121, 18828, 19116, 28242, 30857, 37656, 38232, 42363, 56484, 61714, 84726, 92571, 112968, 123428, 169452, 185142, 246856, 277713, 338904, 370284, 555426, 740568, 833139, 1110852, 1666278, 2221704, 2499417, 3332556, 4998834, 6665112, 9997668, 19995336]

約数ペア:

[(1, 19995336), (2, 9997668), (3, 6665112), (4, 4998834), (6, 3332556), (8, 2499417), (9, 2221704), (12, 1666278), (18, 1110852), (24, 833139), (27, 740568), (36, 555426), (54, 370284), (59, 338904), (72, 277713), (81, 246856), (108, 185142), (118, 169452), (162, 123428), (177, 112968), (216, 92571), (236, 84726), (324, 61714), (354, 56484), (472, 42363), (523, 38232), (531, 37656), (648, 30857), (708, 28242), (1046, 19116), (1062, 18828), (1416, 14121), (1569, 12744), (1593, 12552), (2092, 9558), (2124, 9414), (3138, 6372), (3186, 6276), (4184, 4779), (4248, 4707)]