19380996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 32510844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 138, 178, 207, 263, 267, 276, 356, 414, 526, 534, 789, 801, 828, 1052, 1068, 1578, 1602, 2047, 2367, 3156, 3204, 4094, 4734, 6049, 6141, 8188, 9468, 12098, 12282, 18147, 18423, 23407, 24196, 24564, 36294, 36846, 46814, 54441, 70221, 72588, 73692, 93628, 108882, 140442, 210663, 217764, 280884, 421326, 538361, 842652, 1076722, 1615083, 2153444, 3230166, 4845249, 6460332, 9690498, 19380996]

約数ペア:

[(1, 19380996), (2, 9690498), (3, 6460332), (4, 4845249), (6, 3230166), (9, 2153444), (12, 1615083), (18, 1076722), (23, 842652), (36, 538361), (46, 421326), (69, 280884), (89, 217764), (92, 210663), (138, 140442), (178, 108882), (207, 93628), (263, 73692), (267, 72588), (276, 70221), (356, 54441), (414, 46814), (526, 36846), (534, 36294), (789, 24564), (801, 24196), (828, 23407), (1052, 18423), (1068, 18147), (1578, 12282), (1602, 12098), (2047, 9468), (2367, 8188), (3156, 6141), (3204, 6049), (4094, 4734)]