18694984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 45964800

約数和(自身を除く): 27269816

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 89, 121, 124, 154, 178, 217, 242, 248, 308, 341, 356, 434, 484, 616, 623, 682, 712, 847, 868, 968, 979, 1246, 1364, 1694, 1736, 1958, 2387, 2492, 2728, 2759, 3388, 3751, 3916, 4774, 4984, 5518, 6776, 6853, 7502, 7832, 9548, 10769, 11036, 13706, 15004, 19096, 19313, 21538, 22072, 26257, 27412, 30008, 30349, 38626, 43076, 52514, 54824, 60698, 75383, 77252, 86152, 105028, 121396, 150766, 154504, 210056, 212443, 242792, 301532, 333839, 424886, 603064, 667678, 849772, 1335356, 1699544, 2336873, 2670712, 4673746, 9347492, 18694984]

約数ペア:

[(1, 18694984), (2, 9347492), (4, 4673746), (7, 2670712), (8, 2336873), (11, 1699544), (14, 1335356), (22, 849772), (28, 667678), (31, 603064), (44, 424886), (56, 333839), (62, 301532), (77, 242792), (88, 212443), (89, 210056), (121, 154504), (124, 150766), (154, 121396), (178, 105028), (217, 86152), (242, 77252), (248, 75383), (308, 60698), (341, 54824), (356, 52514), (434, 43076), (484, 38626), (616, 30349), (623, 30008), (682, 27412), (712, 26257), (847, 22072), (868, 21538), (968, 19313), (979, 19096), (1246, 15004), (1364, 13706), (1694, 11036), (1736, 10769), (1958, 9548), (2387, 7832), (2492, 7502), (2728, 6853), (2759, 6776), (3388, 5518), (3751, 4984), (3916, 4774)]