19544756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 26903884

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 31, 44, 46, 62, 77, 89, 92, 124, 154, 161, 178, 217, 253, 308, 322, 341, 356, 434, 506, 623, 644, 682, 713, 868, 979, 1012, 1246, 1364, 1426, 1771, 1958, 2047, 2387, 2492, 2759, 2852, 3542, 3916, 4094, 4774, 4991, 5518, 6853, 7084, 7843, 8188, 9548, 9982, 11036, 13706, 14329, 15686, 19313, 19964, 22517, 27412, 28658, 30349, 31372, 38626, 45034, 54901, 57316, 60698, 63457, 77252, 90068, 109802, 121396, 126914, 157619, 212443, 219604, 253828, 315238, 424886, 444199, 630476, 698027, 849772, 888398, 1396054, 1776796, 2792108, 4886189, 9772378, 19544756]

約数ペア:

[(1, 19544756), (2, 9772378), (4, 4886189), (7, 2792108), (11, 1776796), (14, 1396054), (22, 888398), (23, 849772), (28, 698027), (31, 630476), (44, 444199), (46, 424886), (62, 315238), (77, 253828), (89, 219604), (92, 212443), (124, 157619), (154, 126914), (161, 121396), (178, 109802), (217, 90068), (253, 77252), (308, 63457), (322, 60698), (341, 57316), (356, 54901), (434, 45034), (506, 38626), (623, 31372), (644, 30349), (682, 28658), (713, 27412), (868, 22517), (979, 19964), (1012, 19313), (1246, 15686), (1364, 14329), (1426, 13706), (1771, 11036), (1958, 9982), (2047, 9548), (2387, 8188), (2492, 7843), (2759, 7084), (2852, 6853), (3542, 5518), (3916, 4991), (4094, 4774)]